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Data Types and Variables

Data Types and Variables
In Java, the word true is ................

Same as value 1
A Java keyword
A Boolean literal
Same as value 0

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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. }

10 7
Compilation fails with an error at line 3
8 7
None of these
Compilation fails with an error at line 5

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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); }}

11
None of these
12
5
4

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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
Error
10 20 10 100
10 20 10 10

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Data Types and Variables
What will be output of the following program code?public class Test{public static void main(String[] a){short x = 10;x = x*5;System.out.print(x);} }

50
Compilation Error
10
None of these

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Data Types and Variables
Which of the following automatic type conversion will be possible?

long to int
short to int
int to long
byte to int

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