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LabeledFor.java
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65 lines (64 loc) · 1.42 KB
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// control/LabeledFor.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// For loops with "labeled break"/"labeled continue."
public class LabeledFor {
public static void main(String[] args) {
int i = 0;
outer: // Can't have statements here
for(; true ;) { // infinite loop
inner: // Can't have statements here
for(; i < 10; i++) {
System.out.println("i = " + i);
if(i == 2) {
System.out.println("continue");
continue;
}
if(i == 3) {
System.out.println("break");
i++; // Otherwise i never
// gets incremented.
break;
}
if(i == 7) {
System.out.println("continue outer");
i++; // Otherwise i never
// gets incremented.
continue outer;
}
if(i == 8) {
System.out.println("break outer");
break outer;
}
for(int k = 0; k < 5; k++) {
if(k == 3) {
System.out.println("continue inner");
continue inner;
}
}
}
}
// Can't break or continue to labels here
}
}
/* Output:
i = 0
continue inner
i = 1
continue inner
i = 2
continue
i = 3
break
i = 4
continue inner
i = 5
continue inner
i = 6
continue inner
i = 7
continue outer
i = 8
break outer
*/