//StringMisc.java // This program demonstrates the length, charAt and getChars // methods of the String class. // // Note: Method getChars requires a starting point // and ending point in the String. The starting point is the // actual subscript from…

String.Equals()使用方法 用来比较String两个对象所表示的字符串是否相同 public class StringEquals { public static void main(String[] args) { String s1=new String("Hello"); String s2=new String("Hello"); System.out.println(s1==s2);  //false System.out.println(s1…

下列这段代码已全部包含了我要写的String类中重要的字段: //StringMisc.java// This program demonstrates the length, charAt and getChars// methods of the String class.//// Note: Method getChars requires a starting point// and ending point in the String. The starting point is th…

我模仿lucene的BytesRef写了一个CharsRefIntHashMap,实測效果并不如HashMap<String, Integer>.代码例如以下: package com.dp.arts.lucenex.utils; import org.apache.lucene.util.CharsRef; public interface CharsRefIntMap { public static abstract class CharsRefIntEntryAccessor { pub…