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1. Which of the following can be operands of arithmetic operators?

Numeric | Boolean | Characters | Both Numeric & Characters |

2. Modulus operator, %, can be applied to which of these?

Integers | Floating – point numbers | Both Integers and floating – point numbers. | None of the mentioned |

3. 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;

1, 2 & 3 | 1 & 4 | 1, 2, 3 & 4 | 3 & 2 |

5. Which of these statements are incorrect?

Assignment operators are more efficiently implemented by Java run-time system than their equivalent long forms. | Assignment operators run faster than their equivalent long forms. | Assignment operators can be used only with numeric and character data type. | None |

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

expression1 ? expression2 : expression3

Integer | Floating – point numbers | Boolean | None of the mentioned |

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

int x, y, z;

x = 0;

y = 1;

x = y = z = 8;

0 | 1 | 9 | 8 |

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

1. &

2. ^

3. ?:

1 -> 2 -> 3 | 2 -> 1 -> 3 | 3 -> 2 -> 1 | 2 -> 3 -> 1 |

9. Which of these statements are incorrect?

Equal to operator has least precedence. | Brackets () have highest precedence. | Division operator, /, has higher precedence than multiplication operator. | Addition operator, +, and subtraction operator have equal precedence. |

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