Data Types and Variables MCQs with Answers 2027

Q41

Determine output:

public class Test {
        static void test(float x){
                System.out.print("float");
        }

        static void test(double x){
                System.out.print("double");
        }

        public static void main(String[] args){
                test(99.9);
        }
}

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Q42

Open question

The following fraction of code

double STATIC = 2.5 ;
System.out.println( STATIC );

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Q43

Open question

What would be the output of the following fraction of code?

int Integer = 34 ;
char String = 'S' ;
System.out.print( Integer ) ;
System.out.print( String ) ;

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Q44

Open question

What is the output of the following program?

public class Test{
	static int x  = 10 ;
       	public static void main(String[] a){
		 Test test = new Test( ) ; 
		 Test test1 = new Test( ) ;
		 test.x  +=  1 ;
		 System.out.println(  test.x + test1.x ) ;    
	}
}

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Q45

Open question

What will be output of the following program code?

public class Test{
	public static void main(String[] a){
		short x = 10;
		x = x*5;
		System.out.print(x);
	}  
}

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Q46

Open question

Determine output:

public class Test{
	int i = 34;
	public static void main(String args[]){
		Test t1 = new Test();
		Test t2 = new Test();
		t1.i = 65;
		System.out.print(t1.i);
		System.out.print(t2.i);
	}
}

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Q47

Open question

The following program:

public class Test{ 
        static boolean isOK;
        public static void main(String args[]){
                System.out.print(isOK);
        } 
}

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Q48

Open question

In Java, the word true is ................

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Q49

Open question

What will the output of the following program?

public class Test{
      public static void main(String args[]){
            float f = (1 / 4) * 10;
            int i = Math.round(f);
            System.out.println(i);
      }
}

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Q50

Open question

What is the output for the below code?

class A{
      int k;
      boolean istrue;
      static int p;
      public void printValue(){
            System.out.print(k);
            System.out.print(istrue);
            System.out.print(p);
      }
}

public class Test{
      public static void main(String argv[]){
            A a = new A();
            a.printValue();
      }
}

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Q51

Open question

What is the output for the below code?

public class Test{
      int _$;
      int $7;
      int do;

      public static void main(String argv[]){
            Test test = new Test();
            test.$7=7;
            test.do=9;
            System.out.println(test.$7);
            System.out.println(test.do);
            System.out.println(test._$);
      }
}

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Q52

Open question

What is the output for the below code?

public class Test{
      public static void main(String[] args){
            int i = 010;
            int j = 07;
            System.out.println(i);
            System.out.println(j);
      }
}

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Q53

Open question

What is the output for the below code?

public class Test{
      public static void main(String[] args){
            byte b = 6;
            b+=8;
            System.out.println(b);
            b = b+7;
            System.out.println(b);
      }
}

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Q54

Open question

What will be the output for the below code?

public class Test{
      public static void main(String[] args){
            byte i = 128;
            System.out.println(i);
      }
}

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Q55

Open question

What will be the output for the below code?

public class Test{
      int i=8;
      int j=9;
      public static void main(String[] args){
            add();
      }
      public static void add(){
            int k = i+j;
            System.out.println(k);
     }
}

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Q56

Open question

What will be output of following program?

public class Test{
      public static void main(String[] args){
            byte b=127;
            b++;
            b++;
            System.out.println(b);
      }
}

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Q57

Open question

Determine output:

public class Test{
      int a = 10;
    
      public void method(int a){
            a += 1;
            System.out.println(++a);
      }
      public static void main(String args[]){
            Test t = new Test();
            t.method(3);
      }
}

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Q58

Open question

Which class does all the Enums extend?

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Q59

Open question

Which of the following is the advantage of BigDecimal over double?

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Q60

Open question

What will be the output of the following Java code snippet?

double a = 0.02;
double b = 0.03;
double c = b - a;
System.out.println(c);

BigDecimal _a = new BigDecimal("0.02");
BigDecimal _b = new BigDecimal("0.03");
BigDecimal _c = b.subtract(_a);
System.out.println(_c);

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Data Types and Variablespractice.

Data Types and Variables
practice.