标签:dex indexof ide arraylist turn substring value get generate
package Java; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.Comparator; public class Paixu { public static void main(String[] args) { // TODO Auto-generated method stub Apple12 a = new Apple12(1,"苹果",3.1,5); Apple12 b = new Apple12(2,"苹果",3.4,3); Apple12 c = new Apple12(3,"苹果",3.6,4); Apple12 d = new Apple12(3,"苹果",3.4,7); Apple12 e = new Apple12(3,"苹果",3.2,2); List<Apple12> list = new ArrayList<Apple12>(); list.add(a); list.add(b); list.add(c); list.add(d); list.add(e); Collections.sort(list,new Comparator<Apple12>() { @Override public int compare(Apple12 o1, Apple12 o2) { // TODO Auto-generated method stub String str1 = String.valueOf(o1.getC()); String str2 = String.valueOf(o2.getC()); int endIndex = str1.length(); int index11 = str1.indexOf("."); String str11 = str1.substring(0, index11); String str12 = str1.substring(index11+1, endIndex); int c = Integer.parseInt(str11); int d = Integer.parseInt(str12); int endIndex1 = str2.length(); int index21 = str2.indexOf("."); String str21 = str2.substring(0, index21); String str22 = str2.substring(index11+1, endIndex1); int c1 = Integer.parseInt(str21); int d1 = Integer.parseInt(str22); if(o1.getD()!=o2.getD()){ if(c==c1){ if(d-d1!=0){ return d-d1; }else{ } }else{ return (int) (o1.getC()-o2.getC())*(-1); } }else{ return (int) (o1.getD()-o2.getD())*(-1); } return 0; } }); for(Apple12 x:list){ System.out.println("正序x:"+x); } System.out.println("----------------------------------"); Collections.sort(list,new Comparator<Apple12>() { @Override public int compare(Apple12 o1, Apple12 o2) { // TODO Auto-generated method stub String str1 = String.valueOf(o1.getC()); String str2 = String.valueOf(o2.getC()); int endIndex = str1.length(); int index11 = str1.indexOf("."); String str11 = str1.substring(0, index11); String str12 = str1.substring(index11+1, endIndex); int c = Integer.parseInt(str11); int d = Integer.parseInt(str12); int endIndex1 = str2.length(); int index21 = str2.indexOf("."); String str21 = str2.substring(0, index21); String str22 = str2.substring(index11+1, endIndex1); int c1 = Integer.parseInt(str21); int d1 = Integer.parseInt(str22); if(o1.getC()!=o2.getC()){ if(c==c1){ if(d-d1!=0){ return (d-d1)*(-1); } }else{ return (int) (o1.getC()-o2.getC()); } }else{ return (int) (o1.getD()-o2.getD())*(-1); } return 0; } }); for(Apple12 x:list){ System.out.println("倒序x:"+x); } } }
标签:dex indexof ide arraylist turn substring value get generate
原文地址:http://www.cnblogs.com/wx1691790309/p/7305043.html