Computer Applications
How many times are the following loop bodies repeated? What is the final output in each case?
int x = 2;
while (x < 20)
if (x % 2 == 0)
System.out.println(x);
Java
Java Iterative Stmts
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Answer
The loop repeats for infinite times.
2
2
2
2
2
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.
.
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Working
The value of x is 2. The test condition of while loop — x < 20 is true and the test condition of if — x % 2 == 0 is also true. So the loop prints the value of x i.e., 2 for the first time.
In the absence of update expression, the while loop continues infinitely and keeps on printing 2 on the output screen.
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