//java編寫(xiě)的房貸計(jì)算器//@王強(qiáng)出品importjava.util.*;publicclassfangdai{ publicstaticvoidmain(Stringargs[])throwsInterruptedException {System.out.println("************************************************"); System.out.println("*房貸計(jì)算器*"); System.out.println("************************************************"); System.out.println("1。進(jìn)入->I*"); System.out.println("2。幫助->H*"); System.out.println("3。退出->C*"); System.out.println("************************************************");//菜單提示doublelilv;doublebenjin;intnian;intyuehuankuan;doubleyuehuanbenjin;intzonge1;intsum=0;doublechae;booleanflag=true; System.out.println("請(qǐng)根據(jù)菜單選擇操作:"); while(flag) { Scannersc=newScanner(System.in); Stringstr=sc.next(); charch=str.charAt(0); switch(ch) //使用switch語(yǔ)句，利用菜單選擇輸入內(nèi)容 {case'i':case'I': Scannerreader=newScanner(System.in);System.out.print("請(qǐng)輸入年利率：");lilv=reader.nextInt();System.out.print("請(qǐng)輸入貸款總額：");benjin=reader.nextDouble();System.out.print("請(qǐng)輸入還款年限：");nian=(int)reader.nextDouble();zonge1=(int)(lilv*nian*0.01*benjin+benjin);yuehuankuan=zonge1/nian/12;for(inti=1;i<=nian*12;i++){ yuehuanbenjin=benjin/nian/12; yuehuankuan=(int)(yuehuanbenjin+lilv/nian/12*(nian*12-i)*yuehuanbenjin*0.01);if(i>nian*12) break; sum=(int)(sum+yuehuankuan);}chae=zonge1-sum;System.out.print("\n等額本息還款法還款總額"+zonge1+"元月還款額為"+yuehuankuan+"元\n");System.out.println("等額本金還款法還款總額為"+sum+"元\n");System.out.print("等額本息還款法比等額本金還款法多還款"+chae+"\n\n按i/I繼續(xù)計(jì)算按c/C退出程序");break;case'h':case'H': System.out.println("Clamdown"); System.out.println("請(qǐng)根據(jù)菜單提示一步一步進(jìn)行操作"); Scannerreader1=newScanner(System.in);System.out.print("請(qǐng)輸入年利率：");lilv=reader1.nextInt();System.out.print("請(qǐng)輸入貸款總額：");benjin=reader1.nextDouble();System.out.print("請(qǐng)輸入還款年限：");nian=(int)reader1.nextDouble();zonge1=(int)(lilv*nian*0.01*benjin+benjin);yuehuankuan=zonge1/nian/12;for(inti=1;i<=nian*12;i++){ yuehuanbenjin=benjin/nian/12; yuehuankuan=(int)(yuehuanbenjin+lilv/nian/12*(nian*12-i)*yuehuanbenjin*0.01);if(i>nian*12) break; sum=(int)(sum+yuehuankuan);}chae=zonge1-sum;System.out.print("\n等額本息還款法還款總額"+zonge1+"元月還款額為"+yuehuankuan+"元\n");System.out.println("等額本金還款法還款總額為"+sum+"元\n"); System.out.print("等額本息還款法比等額本金還款法多還款"+chae+"\n\n按i/I繼續(xù)計(jì)算按c/C退出程序");