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 Size of int in Java is 16 bit 32 bit 64 bit Depends on execution environment 16 bit 32 bit 64 bit Depends on execution environment 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); }} 2 None of these Compiler error 129 -127 2 None of these Compiler error 129 -127 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 9 0 7 0 0 None of these Compile error - $7 is not valid identifier. Compile error - do is not valid identifier. 7 9 0 7 0 0 None of these Compile error - $7 is not valid identifier. 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); }} Compilation Error float double Exception is thrown at runtime Compilation Error float double Exception is thrown at runtime 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 11 5 12 4 None of these 11 5 12 ANSWER DOWNLOAD EXAMIANS APP
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