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 20 10 20 10 100 10 20 10 10 Error 10 20 10 20 10 20 10 100 10 20 10 10 Error 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 true Prints false Will not compile as boolean is not initialized Will not compile as boolean can never be static Prints true Prints false Will not compile as boolean is not initialized Will not compile as boolean can never be static ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Which of the following automatic type conversion will be possible? byte to int long to int short to int int to long byte to int long to int short to int int to long 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); }} 5 4 11 12 None of these 5 4 11 12 None of these 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 3 2.5 25 2 0 3 2.5 25 2 ANSWER DOWNLOAD EXAMIANS APP
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
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