Question 1 of 25
Hints left: 3
Q1
Which of these operators can skip evaluating right hand operand?
Q2
Which of the following is used with the switch statement?
Q3
What will be the output of the following Java program? class jump_statments { public static void main(String args[]) { int x = 2; int y = 0; for ( ; y < 10; ++y) { if (y % x == 0) continue; else if (y == 8) break; else System.out.print(y + " "); } } }
Q4
With x = 0, which of the following are legal lines of Java code for changing the value of x to 1? 1. x++; 2. x = x + 1; 3. x += 1; 4. x =+ 1;
Q5
What will be the output of the following Java code? class Relational_operator { public static void main(String args[]) { int var1 = 5; int var2 = 6; System.out.print(var1 > var2); } }
Q6
On applying Left shift operator, <<, on integer bits are lost one they are shifted past which position bit?
Q7
What will be the output of the following Java code? class operators { public static void main(String args[]) { int var1 = 5; int var2 = 6; int var3; var3 = ++ var2 * var1 / var2 + var2; System.out.print(var3); } }
Q8
Which of the following can be operands of arithmetic operators?
Q9
What is the output of the following program? class Numbers{ public static void main(String args[]){ int a=20, b=10; if((a < b) && (b++ < 25)){ System.out.println("This is any language logic"); } System.out.println(b); } }
Q10
What will be the output? public class Test{ public static void main(String args[]){ System.out.print(""==""); System.out.print(" "); System.out.print("A"=="A"); System.out.print(" "); System.out.print("a==A"); } }
Q11
Which of the following is the correct expression that evaluates to true if the number x is between 1 and 100 or the number is negative?
Q12
Which of these jump statements can skip processing the remainder of the code in its body for a particular iteration?
Q13
What will be the output of the following Java program? class leftshift_operator { public static void main(String args[]) { byte x = 64; int i; byte y; i = x << 2; y = (byte) (x << 2) System.out.print(i + " " + y); } }
Q14
What will be the output for the below code? class A{ public void printValue(){ System.out.println("A"); } } class B extends A{ public void printValue(){ System.out.println("B"); } } public class Test{ public static void main(String... args){ A b = new B(); newValue(b); } public static void newValue(A a){ if(a instanceof B){ ((B)a).printValue(); } } }
Q15
Determine output: public class Test{ static int i = 5; public static void main(String... args){ System.out.println(i++); System.out.println(i); System.out.println(++i); System.out.println(++i+i++); } }
Q16
What will be the output? public class Test{ public static void main(String args[]){ int a = 42; double b = 42.25; System.out.print((a%10)+" "+(b%10)); } }
Q17
Which operator is used to invert all the digits in a binary representation of a number?
Q18
Which of these are selection statements in Java?
Q19
Which of these statements are incorrect?
Q20
What will be the output of the following Java program? class comma_operator { public static void main(String args[]) { int sum = 0; for (int i = 0, j = 0; i < 5 & j < 5; ++i, j = i + 1) sum += i; System.out.println(sum); } }
Q21
What will be the output after compiling and running following code? public class Test{ public static void main(String... args){ int x =5; x *= 3 + 7; System.out.println(x); } }
Q22
What will be the output? if(1 + 1 + 1 + 1 + 1 == 5){ System.out.print("TRUE"); } else{ System.out.print("FLASE"); }
Q23
int ++a = 100 ; System.out.println( ++a ) ; What will be the output of the above fraction of code ?
Q24
Determine output: public class Test{ public static void main(String... args){ int a=5 , b=6, c=7; System.out.println("Value is "+ b + c); System.out.println(a + b + c); System.out.println("String " + (b+c)); } }
Q25
Select from among the following character escape code which is not available in Java.