Data Types and Variables How many primitive data types are there in Java? 8 7 6 9 8 7 6 9 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte b = 6;4. b+=8;5. System.out.println(b);6. b = b+7;7. System.out.println(b);8. }9. } Compilation fails with an error at line 4 None of these Compilation fails with an error at line 6 14 13 14 21 Compilation fails with an error at line 4 None of these Compilation fails with an error at line 6 14 13 14 21 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC ); None of these Prints 2.5 Raises an exception Rraises an error as STATIC is used as a variable which is a keyword None of these Prints 2.5 Raises an exception Rraises an error as STATIC is used as a variable which is a keyword 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 Will not compile as boolean is not initialized Will not compile as boolean can never be static Prints false Prints true Will not compile as boolean is not initialized Will not compile as boolean can never be static Prints false ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables In Java, the word true is ................ Same as value 0 A Java keyword A Boolean literal Same as value 1 Same as value 0 A Java keyword A Boolean literal Same as value 1 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 10 100 Error 10 20 10 20 10 20 10 10 10 20 10 100 Error 10 20 10 20 10 20 10 10 ANSWER DOWNLOAD EXAMIANS APP
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