Data Types and Variables How many primitive data types are there in Java? 9 6 7 8 9 6 7 8 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 can never be static Prints true Will not compile as boolean is not initialized Prints false Will not compile as boolean can never be static Prints true Will not compile as boolean is not initialized Prints false 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); }} 25 0 2 2.5 3 25 0 2 2.5 3 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); }} Compiler error None of these -127 129 2 Compiler error None of these -127 129 2 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 - $7 is not valid identifier. 7 9 0 7 0 0 Compile error - do is not valid identifier. None of these Compile error - $7 is not valid identifier. 7 9 0 7 0 0 Compile error - do is not valid identifier. None of these 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); }} None of these 4 11 5 12 None of these 4 11 5 12 ANSWER DOWNLOAD EXAMIANS APP
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