Data Types and Variables How many primitive data types are there in Java? 9 7 6 8 9 7 6 8 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 false Prints true Will not compile as boolean can never be static Will not compile as boolean is not initialized Prints false Prints true Will not compile as boolean can never be static Will not compile as boolean is not initialized 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); }} 2 None of these 129 Compiler error -127 2 None of these 129 Compiler error -127 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 ) ; 34 S Does not compile as Integer and String are API class names. 34 S Throws exception. 34 S Does not compile as Integer and String are API class names. 34 S Throws exception. 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 20 Error 10 20 10 10 10 20 10 100 10 20 10 20 Error 10 20 10 10 10 20 10 100 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. int i = 010;4. int j = 07;5. System.out.println(i);6. System.out.println(j);7. }8. } Compilation fails with an error at line 3 10 7 Compilation fails with an error at line 5 None of these 8 7 Compilation fails with an error at line 3 10 7 Compilation fails with an error at line 5 None of these 8 7 ANSWER DOWNLOAD EXAMIANS APP
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