Data Types and Variables How many primitive data types are there in Java? 7 9 8 6 7 9 8 6 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output of the following program?public class Test{static int x = 10 ; public static void main(String[] a){ Test test = new Test( ) ; Test test1 = new Test( ) ; test.x += 1 ; System.out.println( test.x + test1.x ) ; }} 22 20 Compilation Error 21 Throws Exception 22 20 Compilation Error 21 Throws Exception 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 3 128 0 None of these Compilation fails with an error at line 4 Compilation fails with an error at line 3 128 0 None of these Compilation fails with an error at line 4 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.$7); System.out.println(test.do); System.out.println(test._$); }} None of these 7 9 0 Compile error - do is not valid identifier. 7 0 0 Compile error - $7 is not valid identifier. None of these 7 9 0 Compile error - do is not valid identifier. 7 0 0 Compile error - $7 is not valid identifier. ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Size of float and double in Java is 32 and 64 32 and 32 64 and 32 64 and 64 32 and 64 32 and 32 64 and 32 64 and 64 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); }} 2.5 2 25 3 0 2.5 2 25 3 0 ANSWER DOWNLOAD EXAMIANS APP
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