Flow Control — Part 2 MCQs with Explanations

a is the correct answer to “What is the printout of the following switch statement? char ch = 'a'; switch (ch){ case 'a': case 'A': System.out.print(ch); break; case 'b': case 'B': System.out.print(ch); break; case 'c': case 'C': System.out.print(ch); break; case 'd': case 'D': System.out.print(ch); }”. This question is standard in competitive examination syllabi for Flow Control.

10 is the correct answer to “How many times will the following code print "Welcome to Examveda"? int count = 0; do { System.out.println("Welcome to Examveda"); count++; } while (count < 10);”. This question is standard in competitive examination syllabi for Flow Control.

The program compiles and runs fine. is the correct answer to “Choose the correct statement in context of the following program code. public class Test{ public static void main(String[] args){ double sum = 0; for(double d = 0; d < 10;){ d += 0.1; sum += sum + d; } } }”. This question is standard in competitive examination syllabi for Flow Control.

All of the above is the correct answer to “Which of the following for loops will be an infinite loop”. This question is standard in competitive examination syllabi for Flow Control.

Repeatedly print 1 2 3 and cause infinite loop. is the correct answer to “What will be the result of the following code? public class Test{ static public void main(String args[]){ //line 2 int i, j; for(i=0; i<3; i++){ for(j=1; j<4; j++){ i%=j; System.out.println(j); } } } }”. This question is standard in competitive examination syllabi for Flow Control.

1 2 is the correct answer to “What all gets printed when the following program is compiled and run. public class Test{ public static void main(String args[]){ int i, j=1; i = (j>1)?2:1; switch(i){ case 0: System.out.println(0); break; case 1: System.out.println(1); case 2: System.out.println(2); break; case 3: System.out.println(3); break; } } }”. This question is standard in competitive examination syllabi for Flow Control.

2 is the correct answer to “What all gets printed when the following program is compiled and run? public class Test{ public static void main(String args[]){ int i=0, j=2; do{ i=++i; j--; }while(j>0); System.out.println(i); } }”. This question is standard in competitive examination syllabi for Flow Control.

0 is the correct answer to “What will be the output? public class Test{ public static void main(String args[]){ int i = 1; do{ i--; }while(i > 2); System.out.println(i); } }”. This question is standard in competitive examination syllabi for Flow Control.

public is the correct answer to “Which of these access specifier must be used for class so that it can be inherited by another subclass”. This question is standard in competitive examination syllabi for Flow Control.

private is the correct answer to “Which of these is used as a default for a member of a class if no access specifier is used for it”. This question is standard in competitive examination syllabi for Flow Control.

7 9 is the correct answer to “What will be the output of the following Java code? class static_out { static int x; static int y; void add(int a, int b) { x = a + b; y = x + b; } } public class static_use { public static void main(String args[]) { static_out obj1 = new static_out(); static_out obj2 = new static_out(); int a = 2; obj1.add(a, a + 1); obj2.add(5, a); System.out.println(obj1.x + " " + obj2.y); } }”. This question is standard in competitive examination syllabi for Flow Control.

Runtime Error is the correct answer to “What will be the output of the following Java code? class access { public int x; private int y; void cal(int a, int b) { x = a + 1; y = b; } } public class access_specifier { public static void main(String args[]) { access obj = new access(); obj.cal(2, 3); System.out.println(obj.x + " " + obj.y); } }”. This question is standard in competitive examination syllabi for Flow Control.

static is the correct answer to “Which of these is used to access a member of class before object of that class is created”. This question is standard in competitive examination syllabi for Flow Control.

3 3 is the correct answer to “What will be the output of the following Java code? class access { public int x; private int y; void cal(int a, int b) { x = a + 1; y = b; } void print() { System.out.println(" " + y); } } public class access_specifier { public static void main(String args[]) { access obj = new access(); obj.cal(2, 3); System.out.println(obj.x); obj.print(); } }”. This question is standard in competitive examination syllabi for Flow Control.