Java MCQ - English
An expression involving byte, int, and literal numbers is promoted to which of t
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An expression involving byte, int, and literal numbers is promoted to which of these?
int
long
byte
float
Answer : A
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1) What is the output of this program? class char_increment {
public static void main(String args[])
{
char c1 = 'D';
char c2 = 84;
c2++;
c1++;
System.out.println(c1 + " " + c2);
}
}
2) What is Truncation is Java?
Floating-point value assigned to an integer type
Integer value assigned to floating type
Floating-point value assigned to an Floating type
Integer value assigned to floating type
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3) What is the error in this code? byte b = 50;
b = b * 50;
b can not contain value 100, limited by its range.
* operator has converted b * 50 into int, which can not be converted to byte without casting.
b can not contain value 50.
No error in this code
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4) Which of these is necessary condition for automatic type conversion in Java?
The destination type is smaller than source type
The destination type is larger than source type
The destination type can be larger or smaller than source type
None of the mentioned
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5) Which of the following automatic type conversion will be possible?
