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 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 10 Error 10 20 10 20 10 20 10 100 10 20 10 10 Error 10 20 10 20 10 20 10 100 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(); }} 0 0 0 0 false 0 None of these Compile error - static variable must be initialized before use. 0 true 0 0 0 0 0 false 0 None of these Compile error - static variable must be initialized before use. 0 true 0 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); }} double Exception is thrown at runtime Compilation Error float double Exception is thrown at runtime Compilation Error float ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Size of float and double in Java is 32 and 64 32 and 32 64 and 32 64 and 64 32 and 64 32 and 32 64 and 32 64 and 64 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What will the output of the following program?public class Test{ public static void main(String args[]){ float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); }} 2 0 3 25 2.5 2 0 3 25 2.5 ANSWER DOWNLOAD EXAMIANS APP
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