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Showing content from https://www.geeksforgeeks.org/java/output-java-program-set-17/ below:

Output of Java program | Set 17

Last Updated : 30 Apr, 2019

public class Test
{
    private static float temp()
    {
        public static float sum = 21;
        return(--(sum));
    }
    public static void main(String[] args)
    {
        Test test = new Test();
        System.out.println(test.temp());
    }
}    

a) 21 b) 20 c) Compilation error d) Runtime error Ans. (c) Explanation:

are associated with the class and are therefore, not allowed inside a method body.

public class Test
{
    public static void main(String[] args)
    {
        int value = 3, sum = 6 + -- value;
        
        int data = --value + ++value / sum++ * value++ + ++sum  % value--;
        System.out.println(data);
    }
}

a) 1 b) 2 c) 0 d) 3 Ans. (b) Explanation: Refer to

rule in java.

public class Test
{
    public static void main(String[] args)
    {
        int temp = 40;
        if(temp == 30 && temp/0 == 4)
        {
            System.out.println(1);
        }
        else
        {
            System.out.println(2);
        }    
    }
}

a) 1 b) 2 c) Runtime Exception of java.lang.ArithmeticException d) Compilation error due to divisibility by 0 Ans. (b) Explanation: && operator is evaluated from left to right. If the first expression of && operator evaluates to false, then the second operator is not evaluated. There is no compilation error because divide by 0 is a runtime exception.

public class Test
{
    public static void main(String[] args)
    {
        int temp = 9;
        int data = 8;
        System.out.println(temp & data);
    }
}

a) 9 b) 8 c) 1000 d) 1001 Ans. (b) Explanation: & operator is logical bit-wise and operator in java. The and of 9(1001) and 8(1000) is 1000 which is 8.

public class Test
{
    public static void main(String[] args)
    {
        int temp = null;
        Integer data = null;
        System.out.println(temp + " " + data);
    }
}

a) null null b) Compilation error due to temp c) Compilation error due to data d) Runtime error Ans. (b) Explanation: temp is a primitive data type. Primitive

cannot be assigned null values. data is an instance of class Integer and therefore can hold null values.

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