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); }} -127 None of these 2 Compiler error 129 -127 None of these 2 Compiler error 129 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Size of float and double in Java is 32 and 32 64 and 32 64 and 64 32 and 64 32 and 32 64 and 32 64 and 64 32 and 64 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 7 9 0 Compile error - $7 is not valid identifier. None of these Compile error - do is not valid identifier. 7 0 0 7 9 0 Compile error - $7 is not valid identifier. None of these 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 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 Prints true Prints false 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 20 10 20 10 10 10 20 10 100 Error 10 20 10 20 10 20 10 10 10 20 10 100 Error ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What will be the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte i = 128;4. System.out.println(i);5. }6. } Compilation fails with an error at line 3 None of these 0 128 Compilation fails with an error at line 4 Compilation fails with an error at line 3 None of these 0 128 Compilation fails with an error at line 4 ANSWER DOWNLOAD EXAMIANS APP
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