package com.xyj.test;import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import java.util.TreeMap; import java.util.Map.Entry;public class Test5 { public static void main(String[] args) { BufferedReader reader = null; try { reader = new BufferedReader(new InputStreamReader(System.in)); String line = reader.readLine(); StringBuilder sb = new StringBuilder(); for (int i = 0; i < line.length(); i++) { char c = line.charAt(i); if (c <= '9' && c >= '0') { sb.append(c).append(","); } } if (sb != null && sb.length() > 0) { sb.deleteCharAt(sb.length() - 1); } String[] str = sb.toString().split(","); int[] in = new int[str.length]; for (int i = 0; i < str.length; i++) { in[i] = Integer.parseInt(str[i]); } Set<Integer> hash = new HashSet<Integer>(); for (int i : in) { hash.add(i); } int num = hash.size(); int[] times = new int[num]; List<Integer> list = new ArrayList<Integer>(hash); for (int i : in) { times[list.indexOf(i)]++; } Map<Integer, Integer> map = new TreeMap<Integer, Integer>(/* new Comparator<Integer>() { public int compare(Integer o1, Integer o2) { return o2.compareTo(o1); }; }*/); for (int i = 0; i < num; i++) { map.put(list.get(i), times[i]); } List<Map.Entry<Integer, Integer>> mapList = new ArrayList<Map.Entry<Integer, Integer>>(map.entrySet()); Collections.sort(mapList, new Comparator<Map.Entry<Integer, Integer>>() { @Override public int compare(Entry<Integer, Integer> o1, Entry<Integer, Integer> o2) { return o2.getValue().compareTo(o1.getValue()); } }); Set<Entry<Integer, Integer>> set = map.entrySet(); for (Iterator<Entry<Integer, Integer>> iter = set.iterator(); iter .hasNext();) { Map.Entry<Integer, Integer> entry = (Entry<Integer, Integer>) iter .next(); System.out.println("数值:"+entry.getKey() + " 出现的次数为:" + entry.getValue()); } } catch (IOException e) { e.printStackTrace(); } finally { if (reader != null) { try { reader.close(); } catch (IOException e) { e.printStackTrace(); } } } } }
import java.util.HashMap; import java.util.Map; public class Test { public static void main(String[] args){ int[] array = new int[]{1,3,4,7,2,1,1,5,2}; Map<Integer, Integer> map = new HashMap<Integer, Integer>(); for (int i=0; i<array.length; i++){ if (map.get(array[i]) == null){ map.put(array[i], 1); } else { map.put(array[i], map.get(array[i]) + 1); } } int times = 0; int max = 0; for (Map.Entry<Integer, Integer> entry: map.entrySet()){ if (entry.getValue() > times){ max = entry.getKey(); times = entry.getValue(); } else if (entry.getValue() == times && entry.getKey() > max){ max = entry.getKey(); } } System.out.println("max times num: " + max + " times:" + times); } }
import java.util.ArrayList; import java.util.Scanner;public class count { public static void main(String[] args) { ArrayList<g> array = new ArrayList<g>(); ArrayList<g> cont = new ArrayList<g>(); Scanner scan = new Scanner(System.in); String str = scan.nextLine(); String[] ss = str.split("\\,"); for (String s : ss) { g g1 = new g(); g1.setKey(Integer.parseInt(s)); array.add(g1); } int v = 0; for (int i = 0; i < array.size(); i++) { if (cont.contains(array.get(i))) { int x = cont.indexOf(new g(array.get(i).getKey())); v = cont.get(x).getValue(); cont.get(x).setValue(++v); } else { cont.add(array.get(i)); } } g g2 = new g(); for (int i = 0; i < cont.size(); i++) { if (cont.get(i).getValue() > g2.getValue()) { g2.setKey(cont.get(i).getKey()); g2.setValue(cont.get(i).getValue()); } if (cont.get(i).getValue() == g2.getValue()) { if (cont.get(i).getKey() > g2.getKey()) { g2.setKey(cont.get(i).getKey()); } } } System.out.println(g2.getKey() + "," + g2.getValue()); }}class g { private int key; private int value; public g() { key = 0; value = 1; } public g(int key) { this.key = key; } public int getKey() { return key; } public void setKey(int key) { this.key = key; } public int getValue() { return value; } public void setValue(int value) { this.value = value; } @Override public boolean equals(Object obj) { g mg = (g) obj; if (mg.getKey() == this.getKey()) return true; return false; }}
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.Map.Entry;public class Test5 {
public static void main(String[] args) {
BufferedReader reader = null; try {
reader = new BufferedReader(new InputStreamReader(System.in));
String line = reader.readLine(); StringBuilder sb = new StringBuilder();
for (int i = 0; i < line.length(); i++) {
char c = line.charAt(i);
if (c <= '9' && c >= '0') {
sb.append(c).append(",");
}
}
if (sb != null && sb.length() > 0) {
sb.deleteCharAt(sb.length() - 1);
} String[] str = sb.toString().split(",");
int[] in = new int[str.length];
for (int i = 0; i < str.length; i++) {
in[i] = Integer.parseInt(str[i]);
} Set<Integer> hash = new HashSet<Integer>();
for (int i : in) {
hash.add(i);
} int num = hash.size();
int[] times = new int[num];
List<Integer> list = new ArrayList<Integer>(hash);
for (int i : in) {
times[list.indexOf(i)]++;
} Map<Integer, Integer> map = new TreeMap<Integer, Integer>(/*
new Comparator<Integer>() {
public int compare(Integer o1, Integer o2) {
return o2.compareTo(o1);
};
}*/);
for (int i = 0; i < num; i++) {
map.put(list.get(i), times[i]);
}
List<Map.Entry<Integer, Integer>> mapList = new ArrayList<Map.Entry<Integer, Integer>>(map.entrySet());
Collections.sort(mapList, new Comparator<Map.Entry<Integer, Integer>>() {
@Override
public int compare(Entry<Integer, Integer> o1,
Entry<Integer, Integer> o2) {
return o2.getValue().compareTo(o1.getValue());
}
}); Set<Entry<Integer, Integer>> set = map.entrySet();
for (Iterator<Entry<Integer, Integer>> iter = set.iterator(); iter
.hasNext();) {
Map.Entry<Integer, Integer> entry = (Entry<Integer, Integer>) iter
.next();
System.out.println("数值:"+entry.getKey() + " 出现的次数为:" + entry.getValue());
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
import java.util.Map;
public class Test {
public static void main(String[] args){
int[] array = new int[]{1,3,4,7,2,1,1,5,2};
Map<Integer, Integer> map = new HashMap<Integer, Integer>();
for (int i=0; i<array.length; i++){
if (map.get(array[i]) == null){
map.put(array[i], 1);
} else {
map.put(array[i], map.get(array[i]) + 1);
}
}
int times = 0;
int max = 0;
for (Map.Entry<Integer, Integer> entry: map.entrySet()){
if (entry.getValue() > times){
max = entry.getKey();
times = entry.getValue();
} else if (entry.getValue() == times && entry.getKey() > max){
max = entry.getKey();
}
}
System.out.println("max times num: " + max + " times:" + times);
}
}
import java.util.ArrayList;
import java.util.Scanner;public class count { public static void main(String[] args) {
ArrayList<g> array = new ArrayList<g>();
ArrayList<g> cont = new ArrayList<g>();
Scanner scan = new Scanner(System.in);
String str = scan.nextLine();
String[] ss = str.split("\\,"); for (String s : ss) {
g g1 = new g();
g1.setKey(Integer.parseInt(s)); array.add(g1);
} int v = 0;
for (int i = 0; i < array.size(); i++) {
if (cont.contains(array.get(i))) { int x = cont.indexOf(new g(array.get(i).getKey()));
v = cont.get(x).getValue(); cont.get(x).setValue(++v);
} else {
cont.add(array.get(i));
} } g g2 = new g();
for (int i = 0; i < cont.size(); i++) {
if (cont.get(i).getValue() > g2.getValue()) {
g2.setKey(cont.get(i).getKey());
g2.setValue(cont.get(i).getValue());
} if (cont.get(i).getValue() == g2.getValue()) {
if (cont.get(i).getKey() > g2.getKey()) {
g2.setKey(cont.get(i).getKey());
}
} } System.out.println(g2.getKey() + "," + g2.getValue());
}}class g {
private int key;
private int value; public g() {
key = 0;
value = 1;
} public g(int key) {
this.key = key; } public int getKey() {
return key;
} public void setKey(int key) {
this.key = key;
} public int getValue() {
return value;
} public void setValue(int value) {
this.value = value;
} @Override
public boolean equals(Object obj) {
g mg = (g) obj;
if (mg.getKey() == this.getKey())
return true;
return false;
}}