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20 lines
336 B
Java
20 lines
336 B
Java
// "Replace with sum()" "true"
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import java.util.List;
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public class Main {
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interface Person {
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int getAge();
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}
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public long test(List<Person> collection) {
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long i = 0;
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for(Person person : col<caret>lection) {
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if(person == null) {
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continue;
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}
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i = i + person.getAge();
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}
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return i;
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}
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} |