【java】break outer,continue outer的使用 break默认是结束当前循环，有时我们在使用循环时，想通过内层循环里的语句直接跳出外层循环，java提供了使用break直接跳出外层循环，此时需要在break后通过标签指定外层循环。 A Java Continue label can be used in the nested loop program, Where it can skips the current execution of the inner loop and current iteration of the outer loop too. Or use the ugly break labels approach :). The break statement terminates a for or while loop immediately after the break statement is executed.. Java Nested break Statement. Here is an example showing java break label statement usage. break is a keyword in java which is used inside loops(for, while and do-while). Inner loop executes break when outer loop counter becomes equal to 2. But what could I do, the simple break statement would just break the inner loop and the outer loop continues. Tricks Bag. The break statement terminates the innermost loop in a Java program. You can just return the control from that function. Say you have a while loop within a for loop, for example, and the break statement is in the while loop. As you can see in the above image, we have used the label identifier to specify the outer loop. 2358. Then the second pass of the outer loop triggers the inner loop again. This repeats until the outer loop finishes. I got this many times. You can label your while loop, and break the labeled loop, which should be like this: ... break; case 5: return; //terminate outer menu default: System.out.println("Invalid option"); } } } } ... How do I break out of nested loops in Java? How do I determine whether an array contains a particular value in Java? Labeled break statement is used to terminate the outer loop, the loop should be labeled for it to work. Java break label. An unlabeled break statement terminates the innermost switch, for, while, or do-while statement, but a labeled break terminates an outer statement. Browse other questions tagged java loops for-loop break labelled-break or ask your own question. Have you ever got a situation to break outer loop when in a inner loop? The Function of Nested loop : Please note that break can be used inside loops and switch statement while continue statement can only be used inside loops. The Overflow Blog Podcast 300: Welcome to 2021 with Joel Spolsky Here, the break statement is terminating the labeled statement (i.e. If there is another code parts after your for statement, you can refactor the loops in a function.. IMO, the use of breaks and continue should be discouraged in OOP, since they affect the readability and the maintenance. In this we label the outer loop and use that label when we want to break and exit the outer loop as well. This is using exceptions as a form of goto. Inner Loop example of Java Continue Statement, in program Will Skip print 2 2. Now, notice how the break statement is used (break label;). Raise an exception and catch it outside the double loop. The following program, BreakWithLabelDemo , is similar to the previous program, but uses nested for loops to search for a value in a two-dimensional array. This is unsatisfying because the loops might not be a natural place to refactor into a new function, and maybe you need access to other locals during the loops. Put the loops into a function, and return from the function to break the loops. Working of the labeled break statement in Java. Approach 1 - Break with a label can be used to exit the outer loop. outer loop). The first pass of the outer loop triggers the inner loop, which executes to completion. A break within either the inner or outer loop would interrupt this process.