Q. With x = 0, which of the following are legal lines of Java code for changing the value of x to 1?
1. x++;

2. x = x + 1;

3. x += 1;

4. x =+ 1;

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Q. Decrement operator, −−, decreases the value of variable by what number?

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Q. Which of these statements are incorrect?

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Q. Which of these is not a bitwise operator?

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Q. Which operator is used to invert all the digits in a binary representation of a number?

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Q. On applying Left shift operator, <<, on integer bits are lost one they are shifted past which position bit?

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Q. Which right shift operator preserves the sign of the value?

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Q. Which of these statements are incorrect?

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Q. What is the output of relational operators?

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Q. Which of these is returned by “greater than”, “less than” and “equal to” operators?

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Q. Which of the following operators can operate on a boolean variable?

1. &&

2. ==

3. ?:

4. +=

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Q. Which of these operators can skip evaluating right hand operand?

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Q. Which of these statements is correct?

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Q. Which of these have highest precedence?

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Q. What should be expression1 evaluate to in using ternary operator as in this line?

expression1 ? expression2 : expression3

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Q. What is the value stored in x in following lines of code?

int x, y, z;
x = 0;
y = 1;
x = y = z = 8;

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Q. What is the order of precedence (highest to lowest) of following operators?

1. &
2. ^
3. ?:

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Q. Which of these statements are incorrect?

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Q. Which of these selection statements test only for equality?

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Q. Which of these are selection statements in Java?

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