Automatic type conversion in Java takes place when Two type are compatible and size of destination type is shorter than source type. All of these Two type are compatible and size of destination type is equal of source type. Two type are compatible and size of destination type is larger than source type. TRUE ANSWER : ? YOUR ANSWER : ?
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); }} 3 25 0 2.5 2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following automatic type conversion will be possible? int to long long to int byte to int short to int TRUE ANSWER : ? YOUR ANSWER : ?
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.$7); System.out.println(test.do); System.out.println(test._$); }} 7 0 0 None of these Compile error - do is not valid identifier. Compile error - $7 is not valid identifier. 7 9 0 TRUE ANSWER : ? YOUR ANSWER : ?
In Java byte, short, int and long all of these are Both of the above unsigned signed None of these TRUE ANSWER : ? YOUR ANSWER : ?
The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } } Will not compile as boolean is not initialized Prints false Will not compile as boolean can never be static Prints true TRUE ANSWER : ? YOUR ANSWER : ?
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);}} 34 65 34 34 65 65 65 34 TRUE ANSWER : ? YOUR ANSWER : ?
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); }} 4 12 5 11 None of these TRUE ANSWER : ? YOUR ANSWER : ?
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(); }} 0 true 0 Compile error - static variable must be initialized before use. 0 0 0 0 false 0 None of these TRUE ANSWER : ? YOUR ANSWER : ?
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 ) ; Throws exception. Does not compile as Integer and String are API class names. 34 S S 34 TRUE ANSWER : ? YOUR ANSWER : ?