🚀 Programming Example
Number Class in java, Boxing and un-boxing
Learn this program step-by-step with algorithm, source code, output and detailed explanation.
public class NumberClass {
public static void main(String args[]) {
Integer n = 10; // boxes int to an Integer object
n = n + 10; // unboxes the Integer to a int
System.out.println(n);
}
}
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First understand the algorithm carefully. Then study the program line-by-line and compare it with the output. Finally, review the explanation section to strengthen your logic and programming understanding.
Rewrite the program without looking at the code. Modify values, conditions or logic and run it again. This helps improve confidence and strengthens coding skills much faster.