Java Programming

A typical hash function first converts a search key to an integer value called a hash code, then compresses the hash code into an index to the hash table. Java’s…

Before introducing hashing, let us review the map, which is a data structure that is implemented using hashing. Recall that a map is a container object that stores entries. Each…

I think you have already noticed the unusual header for the main method in Java, which has the parameter args of String[] type. Obviously, args is an array of String. The main…

The linear search approach compares the key element key sequentially with each element in the array. It continues to do so until the key matches an element in the array,…

概述 String 对于日常代码来说是一个使用频率很高的对象，因为它的一些使用数据和基本数据类型有些相似，所以很容易把String 混淆为基本数据类型。 public final class String implements java.io.Serializable, Comparable<String>, CharSequence { /** The value is used for character storage. */ private final char value[]; /** Cache the hash…

Comparable and Comparator in Java are very useful for sorting collection of objects. Java provides some inbuilt methods to sort primitive types array or Wrapper classes array or list. Here…

Java HashMap is HashTable based implementation of Map. This is the reason why interviewer always asks for the difference between HashMap and HashTable. HashMap is mostly equaled to HashTable except…