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- chars print as themselves without a conversion GitOrigin-RevId: beee890cd3fca0d4ae907645f76e9f28f173ad09
298 lines
11 KiB
Java
298 lines
11 KiB
Java
package dfa;
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public class SwitchConstantPrimitiveSimilar {
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public static final long LONG = 2L + 3L;
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private static final Long LONG_OBJECT = LONG;
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public static void main(String[] args) {
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testBoolean();
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testInt();
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testChar();
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testByte();
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testShort();
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testLong();
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testFloat();
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testDouble();
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testBooleanObject();
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testIntObject();
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testCharObject();
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testByteObject();
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testShortObject();
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testLongObject();
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testFloatObject();
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testDoubleObject();
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}
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private static void testDouble() {
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double o = 0.0;
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switch (o) {
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case <error descr="Duplicate label '1'">1.0</error> -> System.out.println("1.0f");
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case <error descr="Duplicate label '1'">1.0</error> -> System.out.println("1.0f"); // error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1.0 -> System.out.println("1.0f");
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case 2.0 -> System.out.println("1.0f");
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default -> System.out.println("default");
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}
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}
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private static void testFloat() {
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float o = 1F;
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switch (o) {
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case <error descr="Duplicate label '1'">1.0f</error> -> System.out.println("1.0f");
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case <error descr="Duplicate label '1'">1.0f</error> -> System.out.println("1.0f");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1.0f -> System.out.println("1.0f");
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case 2.0f -> System.out.println("1.0f");
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default -> System.out.println("default");
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}
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}
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private static void testLong() {
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long o = 1L;
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switch (o) {
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case <error descr="Duplicate label '1'">1L</error> -> System.out.println("1l");
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case <error descr="Duplicate label '1'">1L</error> -> System.out.println("1l");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case 2L -> System.out.println("1l");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case 2L + 3L -> System.out.println("1l");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case LONG -> System.out.println("1l");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case <error descr="Constant expression required">LONG_OBJECT</error> -> System.out.println("1l");// error
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default -> System.out.println("default");
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}
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}
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private static void testShort() {
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short o = 1;
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switch (o) {
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 2 -> System.out.println("1");
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case 1 -> System.out.println("1");
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default -> System.out.println("default");
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}
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}
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private static void testByte() {
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byte o = '1';
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switch (o) {
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case 1 -> System.out.println("1");
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case <error descr="Duplicate label 'a'">'a'</error> -> System.out.println("a");
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case <error descr="Duplicate label 'a'">'a'</error> -> System.out.println("a");// error
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case 0xa -> System.out.println("0xa");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1 -> System.out.println("1");
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case 'a' -> System.out.println("a");
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case 'b' -> System.out.println("a");
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case 0xa -> System.out.println("0xa");
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default -> System.out.println("default");
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}
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}
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private static void testChar() {
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char o = '1';
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switch (o) {
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1 -> System.out.println("1");
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case 2 -> System.out.println("1");
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default -> System.out.println("default");
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}
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}
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private static void testInt() {
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int o = 1;
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switch (o) {
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1 -> System.out.println("1");
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case 2 -> System.out.println("1");
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default -> System.out.println("default");
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}
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}
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private static void testBoolean() {
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boolean o = true;
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switch (o) {
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case <error descr="Duplicate label 'true'">true</error> -> System.out.println("true");
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case <error descr="Duplicate label 'true'">true</error> -> System.out.println("true");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case false -> System.out.println("true");
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case true -> System.out.println("true");
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}
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switch (o) {
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case <error descr="Constant expression required">Boolean.TRUE</error> -> System.out.println("true");// error
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case true -> System.out.println("true");
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}
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}
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private static void testDoubleObject() {
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Double o = 0.0;
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switch (o) {
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case <error descr="Duplicate label '1'">1.0</error> -> System.out.println("1.0f");
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case <error descr="Duplicate label '1'">1.0</error> -> System.out.println("1.0f");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1.0 -> System.out.println("1.0f");
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case 2.0 -> System.out.println("1.0f");
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default -> System.out.println("default");
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}
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}
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private static void testFloatObject() {
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Float o = 1F;
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switch (o) {
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case <error descr="Duplicate label '1'">1.0f</error> -> System.out.println("1.0f");
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case <error descr="Duplicate label '1'">1.0f</error> -> System.out.println("1.0f");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1.0f -> System.out.println("1.0f");
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case 2.0f -> System.out.println("1.0f");
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default -> System.out.println("default");
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}
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}
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private static void testLongObject() {
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Long o = 1L;
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switch (o) {
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case <error descr="Duplicate label '1'">1L</error> -> System.out.println("1l");
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case <error descr="Duplicate label '1'">1L</error> -> System.out.println("1l");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case 2L -> System.out.println("1l");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case 2L + 3L -> System.out.println("1l");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case LONG -> System.out.println("1l");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1L -> System.out.println("1l");
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case <error descr="Constant expression required">LONG_OBJECT</error> -> System.out.println("1l");// error
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default -> System.out.println("default");
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}
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}
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private static void testShortObject() {
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Short o = 1;
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switch (o) {
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 2 -> System.out.println("1");
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case 1 -> System.out.println("1");
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default -> System.out.println("default");
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}
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}
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private static void testByteObject() {
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Byte o = '1';
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switch (o) {
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case 1 -> System.out.println("1");
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case <error descr="Duplicate label 'a'">'a'</error> -> System.out.println("a");
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case <error descr="Duplicate label 'a'">'a'</error> -> System.out.println("a");// error
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case 0xa -> System.out.println("0xa");
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default -> System.out.println("default");
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}
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switch (o) {
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case 1 -> System.out.println("1");
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case 'a' -> System.out.println("a");
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case 'b' -> System.out.println("a");
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case 0xa -> System.out.println("0xa");
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default -> System.out.println("default");
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}
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}
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private static void testCharObject() {
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Character o = '1';
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switch (o) {
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1 -> System.out.println("1");
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case 2 -> System.out.println("1");
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default -> System.out.println("default");
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}
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}
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private static void testIntObject() {
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Integer o = 1;
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switch (o) {
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");
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case <error descr="Duplicate label '1'">1</error> -> System.out.println("1");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case 1 -> System.out.println("1");
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case 2 -> System.out.println("1");
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default -> System.out.println("default");
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}
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}
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private static void testBooleanObject() {
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Boolean o = true;
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switch (o) {
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case <error descr="Duplicate label 'true'">true</error> -> System.out.println("true");
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case <error descr="Duplicate label 'true'">true</error> -> System.out.println("true");// error
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default -> System.out.println("default");
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}
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switch (o) {
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case false -> System.out.println("true");
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case true -> System.out.println("true");
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}
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switch (o) {
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case <error descr="Constant expression required">Boolean.TRUE</error> -> System.out.println("true");// error
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case true -> System.out.println("true");
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}
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}
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}
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