Data Types and Variables How many primitive data types are there in Java? 8 9 7 6 8 9 7 6 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Determine output:public class Test{ int a = 10; public void method(int a){ a += 1; System.out.println(++a); } public static void main(String args[]){ Test t = new Test(); t.method(3); }} 4 None of these 5 11 12 4 None of these 5 11 12 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); }} 0 2.5 25 2 3 0 2.5 25 2 3 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); }} Error 10 20 10 10 10 20 10 20 10 20 10 100 Error 10 20 10 10 10 20 10 20 10 20 10 100 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 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 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 false 0 None of these 0 0 0 0 true 0 Compile error - static variable must be initialized before use. 0 false 0 None of these 0 0 0 0 true 0 ANSWER DOWNLOAD EXAMIANS APP
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