Interview Questions and Answers for 'Bristlecone' | Search Java Interview Question

Interview Questions and Answers for 'Bristlecone' - 2 question(s) found - Order By Newest

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Q1. What is the difference between comparable and comparator in java.util pkg?

Core Java

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Ans. Comparable interface is used for single sequence sorting i.e.sorting the objects based on single data member where as comparator interface is used to sort the object based on multiple data members.

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Related Questions

What is comparator interface used for ?

Sort a List of Objects using comparable and comparator

Q2. Find Intersection/union between two arrays.

Core Java

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What will the following code print ?

int x[] = new int[5];
x[0] = 1;
x[1] = 2;

for(int count=0;count<x.length;count++){
System.out.println(x[count]);
}

What will the following code print

int x[] = new int[5];
x[0] = 1;
x[1] = 2;

for(int count=0;count<=x.length;count++){
System.out.println(x[count]);
}

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