Data Types and Variables How many primitive data types are there in Java? 8 6 9 7 8 6 9 7 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 14 13 Compilation fails with an error at line 6 14 21 None of these Compilation fails with an error at line 4 14 13 Compilation fails with an error at line 6 14 21 None of these 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); } } Will not compile as boolean can never be static Prints true Will not compile as boolean is not initialized Prints false Will not compile as boolean can never be static Prints true Will not compile as boolean is not initialized Prints false ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output for the below code ?class A{ int k; boolean istrue; static int p; public void printValue(){ System.out.print(k); System.out.print(istrue); System.out.print(p); }}public class Test{ public static void main(String argv[]){ A a = new A(); a.printValue(); }} Compile error - static variable must be initialized before use. 0 true 0 None of these 0 false 0 0 0 0 Compile error - static variable must be initialized before use. 0 true 0 None of these 0 false 0 0 0 0 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables In Java byte, short, int and long all of these are unsigned None of these Both of the above signed unsigned None of these Both of the above signed ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Determine output:public class Test{int i = 34;public static void main(String args[]){Test t1 = new Test();Test t2 = new Test();t1.i = 65;System.out.print(t1.i);System.out.print(t2.i);}} 65 34 34 34 65 65 34 65 65 34 34 34 65 65 34 65 ANSWER DOWNLOAD EXAMIANS APP
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