第十四章

来源：互联网发布：考试作弊软件app 编辑：程序博客网时间：2024/05/01 20:47
import java.util.Scanner;public class T0 {String []names= new String[30];public  void addname(String name) {}public void showname(){}public boolean zhao(int start,int end,String name){boolean find=false;for(int i=start-1; i <end;i++){if(names[i].equals(name)){find=true;break;}}return find;}}import java.util.Scanner;public class T00 {public static void main(String[] args) {T0 st = new T0();Scanner input = new Scanner(System.in);for (int i = 0; i < 5; i++) {System.out.println("请输入学生姓名:");String xin = input.next();st.addname(xin);}st.showname();System.out.println("\n请输入开始查找的位置");int s = input.nextInt();System.out.println("请输入结束查找的位置:");int e = input.nextInt();System.out.println("请输入查找的姓名:");String name = input.next();System.out.println("查找结果:");if (st.zhao(s, e, name)) {System.out.println("找到了!!!");} else {System.out.println("没找到!");}}}****************************************public class Custo {String[] names = new String[4];public void addname(String name) {for (int i = 0; i < names.length; i++) {if (names[i] == null) {names[i] = name;break;}}}public void show() {System.out.println("**************************");System.out.println("\t\t客户姓名列表：");System.out.println("**************************");for (int i = 0; i < names.length; i++) {if (names[i] != null) {System.out.print(names[i] + "\t");  }}}}import java.util.Scanner;public class T011 {public static void main(String[] args) {Custo r=new Custo();Scanner input = new Scanner(System.in);boolean con = true;while(con){System.out.println("请输入客户姓名:");String name = input.next();System.out.println("继续输入吗?(y/n)");String xuan = input.next();if(xuan.equals("n")){con = false;}}r.show();}} ****************************************public class sj2 {String[] names=new String[5];public void addname(String name){for(int i=0;i<names.length;i++){if(names[i]==null){names[i]=name;break;}}}public boolean xiu(String xin,String jiu){boolean find=true;for(int i=0;i<names.length;i++){if(names[i].equals(xin){names[i]=xin;find=false;break;}}return find;}public void show(){System.out.println("**************************");System.out.println("\t\t客户姓名列表：");System.out.println("**************************");for(int i =0;i<names.length;i++){if(names[i]!=null){System.out.print(names[i]+"\t");}}System.out.println();}}import java.util.Scanner;public class sj22 {public static void main(String[] args) {Scanner input = new Scanner(System.in);sj2 st = new sj2();for(int i = 0; i < 5; i++){System.out.print("请输入客户姓名：");String xin = input.next();st.xiu(xin);}st.show();System.out.print("\n请输入要修改的客户姓名：");String jiu = input.next();System.out.print("请输入新的客户姓名：");String xin = input.next();System.out.println("\n*****修改结果*****");if(st.xiu(jiu, xin)){System.out.println("修改成功！");}else{System.out.println("没找到！");}st.show();}}**************************public class T01211 {public double d(int[] score) {int sum = 0;double avg = 0.0;for (int i = 0; i < score.length; i++) {sum += score[i];}avg = (double) sum / score.length;return avg;}public int m(int []score){int max = score[0];for(int i = 0;i < score.length; i++){if(max < score[i]){max = score[i];}}return max;}}import java.util.Scanner;public class T012111111 {public static void main(String[] args) {T01211 r = new T01211();int[] score = new int[5];Scanner input = new Scanner(System.in);System.out.println("请输入五位学员的成绩:");for (int i = 0; i < score.length; i++) {score[i] = input.nextInt();}double avg = r.d(score);System.out.println("平均成绩是:" + avg);int max = r.m(score);System.out.println("最高成绩:" + max);}}
0 0