Data Types and Variables How many primitive data types are there in Java? 9 8 6 7 9 8 6 7 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Determine output:public class Test { static void test(float x){ System.out.print("float"); } static void test(double x){ System.out.print("double"); } public static void main(String[] args){ test(99.9); }} Compilation Error double float Exception is thrown at runtime Compilation Error double float Exception is thrown at runtime 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 Will not compile as boolean is not initialized Prints true Will not compile as boolean can never be static Prints false Will not compile as boolean is not initialized Prints true Will not compile as boolean can never be static ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables In Java, the word true is ................ A Boolean literal Same as value 0 A Java keyword Same as value 1 A Boolean literal Same as value 0 A Java keyword Same as value 1 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output of the following program?public class Test{static int x = 10 ; public static void main(String[] a){ Test test = new Test( ) ; Test test1 = new Test( ) ; test.x += 1 ; System.out.println( test.x + test1.x ) ; }} 22 21 20 Throws Exception Compilation Error 22 21 20 Throws Exception Compilation Error 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 ) ; Does not compile as Integer and String are API class names. S 34 Throws exception. 34 S Does not compile as Integer and String are API class names. S 34 Throws exception. 34 S ANSWER DOWNLOAD EXAMIANS APP
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