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ICSE Class 10 Computer Applications Question 7 of 16

Using Library Classes — Question 9

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9
Question

Question 9

Predict the output.

int res = Integer.valueOf("100").compareTo(new Integer(100)); 
System.out.println(res);
Answer
Output
0
Explanation

Here, Integer.valueOf("100") returns an Integer object storing 100 and new Integer(100) creates a new Integer object with the value 100.

Integer.compareTo() compares two Integer objects numerically, after auto-unboxing is performed by the compiler and the Integer objects are converted to integer type values. The function compareTo() returns 0 as primitive values of both the objects are equal.