应用分支结构if...else....

public class SalJust {public static void main(String[] args) {DataDeal data= new DataDeal(2000);data.dataDeal();data.setSal(12000);data.dataDeal();}}public class DataDeal {int sal;public DataDeal(int sal) {super();this.sal = sal;}public void setSal(int sal) {this.sal = sal;}void dataDeal(){if(sal>=10000)System.out.println("不给予生活补助。");else if(sal>=3000)System.out.println("给予500元的生活补助。");else if(sal>=2000)System.out.println("给予600元生活补助。");else if(sal<2000)System.out.println("给予800元生活补助。");}}