java 如何在java8中将continue放在forEach循环中
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How to put continue in side forEach loop in java8
提问by Sunil Kumar Naik
How to write continue statement inside forEach loop in java 8.
如何在 Java 8 中的 forEach 循环中编写 continue 语句。
List<Integer> numList = Arrays.asList(10,21,31,40,59,60);
numList.forEach(x->{
if(x%2==0){
continue;
}
System.out.println(x);
});
The above code is giving compile time Error saying Continue outside of loop
上面的代码给出了编译时间错误说在循环外继续
List<Integer> numList = Arrays.asList(10,21,31,40,59,60);
LOOP:numList.forEach(x->{
if(x%2==0){
continue LOOP;
}
System.out.println(x);
});
The above code is giving compile time Error saying Undefined Label:LOOP
上面的代码给出了编译时间错误说未定义标签：循环
回答by Raman Sahasi
You can use return. It won't stop the whole loop, instead, it will just stop the current iteration.
您可以使用return. 它不会停止整个循环，相反，它只会停止当前的迭代。
Use it like this:
像这样使用它：
List<Integer> numList = Arrays.asList(10,21,31,40,59,60);
numList.forEach( x-> {
if( x%2 == 0) {
return; // only skips this iteration.
}
System.out.println(x);
});
回答by Leonardo Andrade
I think in this case, the best solution is filter the list before execute the println...
我认为在这种情况下，最好的解决方案是在执行 println 之前过滤列表...
exemple (I didn't test):
示例（我没有测试）：
List<Integer> numList = Arrays.asList(10,21,31,40,59,60);
numList.stream().filter(x-> x%2 != 0).forEach(System.out::println);
