Data Types and Variables In Java byte, short, int and long all of these are None of these unsigned Both of the above signed None of these unsigned Both of the above signed ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables In Java, the word true is ................ A Java keyword Same as value 1 Same as value 0 A Boolean literal A Java keyword Same as value 1 Same as value 0 A Boolean literal 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); }} Error 10 20 10 10 10 20 10 100 10 20 10 20 Error 10 20 10 10 10 20 10 100 10 20 10 20 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables The smallest integer type is ......... and its size is ......... bits. short, 16 short, 16 short, 8 byte, 8 short, 16 short, 16 short, 8 byte, 8 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. None of these 7 9 0 Compile error - $7 is not valid identifier. 7 0 0 Compile error - do is not valid identifier. None of these 7 9 0 Compile error - $7 is not valid identifier. ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } } Prints true Prints false Will not compile as boolean can never be static Will not compile as boolean is not initialized Prints true Prints false Will not compile as boolean can never be static Will not compile as boolean is not initialized ANSWER DOWNLOAD EXAMIANS APP