Operators and Assignments

Q1: What will be the output of the program?
class Equals 
    public static void main(String [] args) 
        int x = 100;
        double y = 100.1;
        boolean b = (x = y); /* Line 7 */

A Compilation fails

B false

C true

D An exception is thrown at runtime

ANS:A - true

The code will not compile because in line 7, the line will work only if we use (x==y) in the line. The == operator compares values to produce a boolean, whereas the = operator assigns a value to variables. Option A, B, and D are incorrect because the code does not get as far as compiling. If we corrected this code, the output would be false.

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