EXCEL排序

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

public class Main {
    	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNext()) {
			int n = scanner.nextInt();
			int i = scanner.nextInt();
			List<Student> myList = new ArrayList<Student>();
			for (int j = 0; j < n; j++) {
				Student student = new Student(scanner.next(),scanner.next(),scanner.nextInt());
				myList.add(student);
			}
			
			if (i == 1) {
				Collections.sort(myList,Comparator.comparing(Student::getNo));
				System.out.println("Case:");
				for (Student student : myList) {
					System.out.println(student.no+" "+student.name+" "+student.grade);
				}
			}else if (i == 2) {
				Collections.sort(myList,Comparator.comparing(Student::getName));
				System.out.println("Case:");
				for (Student student : myList) {
					System.out.println(student.no+" "+student.name+" "+student.grade);
				}
			}else {
				Collections.sort(myList,Comparator.comparing(Student::getGrade).thenComparing(Student::getNo));
				System.out.println("Case:");
				for (Student student : myList) {
					System.out.println(student.no+" "+student.name+" "+student.grade);
				}
			}
			
		}
	}
}

class Student{

	String no;
	String name;
	int grade;
	
	public Student(String no,String name,int grade) {
		this.no = no;
		this.name = name;
		this.grade = grade;
	}
	
	public void setNo(String no) {
		this.no = no;
	}
	public String getNo() {
		return no;
	}
	public void setGrade(int grade) {
		this.grade = grade;
	}
	public int getGrade() {
		return grade;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getName() {
		return name;
	}
	
}

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        int k=sc.nextInt();
        inform a[]=new inform[n];
        for(int i=0;i<n;i++) {
            inform ne=new inform();
            ne.num=sc.next();
            ne.name=sc.next();
            ne.score=sc.nextInt();
            a[i]=ne;
        }
        if(k==1) {
            num_sort(a);//对学号进行排序
            System.out.println("Case:");
            for(int i=0;i<a.length;i++) {//输出排序后的内容
                System.out.print(a[i].num+" "+a[i].name+" "+a[i].score);
                System.out.println();
            }
        }
        else if(k==2) {
            name_sort(a);//对名字进行排序
            System.out.println("Case:");
            for(int i=0;i<a.length;i++) {//输出排序后的内容
                System.out.print(a[i].num+" "+a[i].name+" "+a[i].score);
                System.out.println();
            }
        }
        else if(k==3) {
            score_sort(a);//对成绩进行排序
            System.out.println("Case:");
            for(int i=0;i<a.length;i++) {//输出排序后的内容
                System.out.print(a[i].num+" "+a[i].name+" "+a[i].score);
                System.out.println();
            }
        }
        

    }
    public static void num_sort(inform []a) {
        for(int i=0;i<a.length-1;i++) {
            for(int j=i+1;j<a.length;j++) {
                if(a[i].num.compareTo(a[j].num)>0) {
                    inform temp=a[i];
                    a[i]=a[j];
                    a[j]=temp;
                }
            }
        }
    }
    public static void name_sort(inform []a) {
        for(int i=0;i<a.length-1;i++) {
            for(int j=i+1;j<a.length;j++) {
                if(a[i].name.compareTo(a[j].name)>0) {
                    inform temp=a[i];
                    a[i]=a[j];
                    a[j]=temp;
                }
                else if(a[i].name.compareTo(a[j].name)==0) {
                    if(a[i].num.compareTo(a[j].num)>0) {
                        inform temp=a[i];
                        a[i]=a[j];
                        a[j]=temp;
                    }
                }
            }
        }
    }
    public static void score_sort(inform []a) {
        for(int i=0;i<a.length-1;i++) {
            for(int j=i+1;j<a.length;j++) {
                if(a[i].score>a[j].score) {
                    inform temp=a[i];
                    a[i]=a[j];
                    a[j]=temp;
                }
                else if(a[i].score==a[j].score) {
                    if(a[i].num.compareTo(a[j].num)>0) {
                        inform temp=a[i];
                        a[i]=a[j];
                        a[j]=temp;
                    }
                }
            }
        }
    }
    

}
class inform{
    String num;
    String name;
    int score;
}