Data Types and Variables How many primitive data types are there in Java? 7 8 9 6 7 8 9 6 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Determine output:class A{ public static void main(String args[]){ int x; x = 10; if(x == 10){ int y = 20; System.out.print("x and y: "+ x + " " + y); y = x*2; } y = 100; System.out.print("x and y: " + x + " " + y); }} 10 20 10 10 10 20 10 20 Error 10 20 10 100 10 20 10 10 10 20 10 20 Error 10 20 10 100 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables 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. S 34 Does not compile as Integer and String are API class names. 34 S Throws exception. S 34 Does not compile as Integer and String are API class names. 34 S ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables 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); }} 129 Compiler error None of these -127 2 129 Compiler error None of these -127 2 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables 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 Compile error - do is not valid identifier. Compile error - $7 is not valid identifier. None of these 7 9 0 7 0 0 Compile error - do is not valid identifier. Compile error - $7 is not valid identifier. None of these 7 9 0 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables In Java byte, short, int and long all of these are unsigned Both of the above None of these signed unsigned Both of the above None of these signed ANSWER DOWNLOAD EXAMIANS APP
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