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 10 100 10 20 10 20 10 20 10 10 Error 10 20 10 100 10 20 10 20 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables In Java byte, short, int and long all of these are signed None of these unsigned Both of the above signed None of these unsigned Both of the above ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output for the below code?public class Test{ int _$; int $7; int do; public static void main(String argv[]){ Test test = new Test(); test.$7=7; test.do=9; System.out.println(test.$7); System.out.println(test.do); System.out.println(test._$); }} Compile error - do is not valid identifier. 7 0 0 None of these Compile error - $7 is not valid identifier. 7 9 0 Compile error - do is not valid identifier. 7 0 0 None of these Compile error - $7 is not valid identifier. 7 9 0 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 false 0 0 0 0 Compile error - static variable must be initialized before use. None of these 0 true 0 0 false 0 0 0 0 Compile error - static variable must be initialized before use. None of these 0 true 0 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What will be output of following program?public class Test{ public static void main(String[] args){ byte b=127; b++; b++; System.out.println(b); }} 129 2 Compiler error None of these -127 129 2 Compiler error None of these -127 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. int i = 010;4. int j = 07;5. System.out.println(i);6. System.out.println(j);7. }8. } 8 7 10 7 Compilation fails with an error at line 5 Compilation fails with an error at line 3 None of these 8 7 10 7 Compilation fails with an error at line 5 Compilation fails with an error at line 3 None of these ANSWER DOWNLOAD EXAMIANS APP
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