1. | What will be the content of array variable table after executing the following code? for(int i = 0; i < 3; i + +) for(int j = 0; j < 3; j + +) if(j = i) table[i][j] = 1; else table[i][j] = 0; |
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Hint
Half-n-half Clue
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2. | Which of the following are the wrapper classes? (A) Random (B) Byte (C) Vector (D) Integer (E) Short (F) Double (G) String |
| Half-n-half Clue
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3. | Which of the following statements are valid array declaration? (A) int number(); (B) float average[]; (C) double[] marks; (D) counter int[]; |
| Half-n-half Clue
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4. | Which of the following methods belong to the String class? |
| Half-n-half Clue
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5. | Which of the following contain error? (A) int x[] = int[10]; (B) int[] y = new int[5]; (C) float d[] = |
| Half-n-half Clue
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6. | Consider the following code int number[] = new int[5]; After execution of this statement, which of the following are true? (A) number[0] is undefined (B) number[5] is undefined (C) number[4] is null (D) number[2] is 0 (E) number.length() is 5 |
| Half-n-half Clue
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7. | Given the code String s1 = "yes"; String s2 = "yes"; String s3 = new String(s1); Which of the following would equate to true? (A) s1 == s2 (B) s1 = s2 (C) s3 == s1 (D) s1.equals(s2) (E) s3.equals(s1) |
| Half-n-half Clue
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