Data Types and Variables How many primitive data types are there in Java? 6 8 7 9 6 8 7 9 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 10 20 10 20 Error 10 20 10 10 10 20 10 100 10 20 10 20 Error 10 20 10 10 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); }} float Compilation Error Exception is thrown at runtime double float Compilation Error Exception is thrown at runtime double ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables In Java, the word true is ................ Same as value 0 A Boolean literal Same as value 1 A Java keyword Same as value 0 A Boolean literal Same as value 1 A Java keyword 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. } 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 Compilation fails with an error at line 4 None of these Compilation fails with an error at line 6 14 13 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(); }} None of these 0 false 0 Compile error - static variable must be initialized before use. 0 0 0 0 true 0 None of these 0 false 0 Compile error - static variable must be initialized before use. 0 0 0 0 true 0 ANSWER DOWNLOAD EXAMIANS APP
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