方法一:使用增强的 For 循环 增强的 For 循环可用于按以下方式循环遍历 TreeSet。 语法: for(Integervalue:ts) { System.out.print(value); } 例子 Java实现 // Java Program to Loop over TreeSet // Using Enhanced For loop // Importing required
// HashSet, LinkedHashSet and TreeSet according // to insertion order and insertion time importjava.util.Arrays; importjava.util.HashSet; importjava.util.LinkedHashSet; importjava.util.TreeSet; classGFG1{ // Function show insertion order of // LinkedHashSet, TreeSet and HashSet privatestatic...
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In above example, we are creating TreeSet of String object. String class is having comparable interface implemented by Java library. Let’s think of a case when we need to have our own objects to be stored in Set and ordering of objects as per our rule. Below example shows Cricketers as...
// Java program to iterate TreeSet collection// in ascending orderimportjava.io.*;importjava.util.*;publicclassMain{publicstaticvoidmain(String args[]){TreeSet<Integer>tree=newTreeSet<Integer>();tree.add(25);tree.add(20);tree.add(35);tree.add(30);Iterator<Integer>iterator=tree.iterator(...