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Can we have a return statement in the catch or, finally blocks in Java?
Yes, we can write a return statement of the method in catch and finally block.
- There is a situation where a method will have a return type and we can return some value at any part of the method based on the conditions.
- If we return a value in the catch block and we can return a value at the end of the method, the code will execute successfully.
- If we return a value in the catch block and we can write a statement at the end of the method after return a value, the code will not execute so it became unreachable code as we know Java does not support unreachable codes.
- If we return a value in the final block and no need of keeping a return value at the end of the method.
Example 1
public class CatchReturn {
int calc() {
try {
int x=12/0;
} catch (Exception e) {
return 1;
}
return 10;
}
public static void main(String[] args) {
CatchReturn cr = new CatchReturn();
System.out.println(cr.calc());
}
}Output
1
Example 2
public class FinallyReturn {
int calc() {
try {
return 10;
} catch(Exception e) {
return 20;
} finally {
return 30;
}
}
public static void main(String[] args) {
FinallyReturn fr = new FinallyReturn();
System.out.println(fr.calc());
}
}Output
30
Updated on: 06-Feb-2020
9K+ Views
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