How to write java switch statement What Yasser Ibrahim @Jobilize

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Question 40 / 297: What is the result of compiling and running the following code?

public static void main(String[] args) {
		int j = 10;
		switch (1) {
		case 20:
			j += 1;
		case 40:
			j += 2;
		default:
			j += 3;
		case 0:
			j += 4;
		}
		System.out.print(j);
	}

A Compile error, can"t use constant 1 in the switch, must be final variable

B Compile error, default must be the last statement after all the cases

C Compile error, must have break statement within each case

D 17

E 13

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Explanation:

The compilation will succeed. No match is met, so what in default is executed. Increment j by 3 and since there is no break statement, it will continue to the next statement and increment j by 4 and then exit.

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