import java.util.Scanner;
class Demo{
public static void main(String [] args){
Scanner s=new Scanner(System.in);
System.out.println("請輸入收入金額");
double income=s.nextInt();
double money;
double tex=0;
if (income<=3500)
{
money=income;
}
else if((income-3500)<=500)
{
tex =(income-3500)*0.05;
}
else if((income-3500)<=2000)
{
tex =(income-3500-500)*0.1+25;
}
else if((income-3500)<=5000)
{
tex =(income-3500-2000)*0.15+125;
}
else if((income-3500)<=20000)
{
tex =(income-3500-5000)*0.2+375;
}
else if((income-3500)<=40000)
{
tex =(income-20000-3500)*0.25+1375;
}
else if((income-3500)<=60000)
{
tex =(income-3500-40000)*0.3+3375;
}
else if((income-3500)<=80000)
{
tex =(income-3500-60000)*0.35+6375;
}
else if((income-3500)<=100000)
{
tex =(income-3500-80000)*0.4+10375;
}
else if((income-3500)>100000)
{
tex =(income-3500-100000)*0.45+15375;
}
money=income-tex;
System.out.println("最後得到的工資為:"+money+"個人應繳納的稅為:"+tex);
}
}

學生成績

import java.util.Scanner;
class Demo
{
public static void main(String[] args){
Scanner s=new Scanner(System.in);
System.out.println("請輸入一個學生的成績");
int score=s.nextInt();
if(90<=score&&score<=100)
{
System.out.println("優秀");
}
else if(70<=score&&score<=80)
{
System.out.println("良好");
}
else if(60<=score&&score<=70)
{
System.out.println("及格");
}
else if(score<=60&&score>=0)
{
System.out.println("不及格");
}
else{
System.out.println("輸入錯誤");
}
}

個人所得稅，學生成績的代碼