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24 lines
1.1 KiB
Java
24 lines
1.1 KiB
Java
import java.util.*;
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class Test {
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void test() {
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int x = OptionalInt.of(123).orElse(-1);
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System.out.println(<warning descr="Condition 'x == 123' is always 'true'">x == 123</warning>);
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System.out.println(<warning descr="Condition 'x == -1' is always 'false'">x == -1</warning>);
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int x1 = OptionalInt.of(123).orElseGet(() -> -1);
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System.out.println(<warning descr="Condition 'x1 == 123' is always 'true'">x1 == 123</warning>);
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System.out.println(<warning descr="Condition 'x1 == -1' is always 'false'">x1 == -1</warning>);
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OptionalLong.of(1000).ifPresent(val -> {
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if(<warning descr="Condition 'val > 0' is always 'true'">val > 0</warning>) {
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System.out.println(val);
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}
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});
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long y = OptionalLong.empty().orElse(10);
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System.out.println(<warning descr="Condition 'y == 12' is always 'false'">y == 12</warning>);
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System.out.println(<warning descr="Condition 'y == 10' is always 'true'">y == 10</warning>);
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double z = OptionalDouble.empty().<warning descr="The call to 'getAsDouble' always fails, according to its method contracts">getAsDouble</warning>();
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}
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}
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