Java lower-case amount conversion upper-case amount

Import Java. io. *; <br/> Import Java. lang. string; <br/> public class switchover {<br/> Public static string [] strchi = {"zero", "one", "two", "three ", "Si", "Wu", "Lu", "Jun" };< br/> Public static string [] strunits = {"", "", "Pick", "weight", "weight", "", "weight", "million", "weight ", "Hour", "Hour", "MB", "pick up", "Hour", "Minute "}; <br/> // verify that the entered number meets the requirements <br/> Public Boolean isnumeric (string Str) {<br/> // If (Str. matches ("// D + (. // D +) $ ") {<br/> If (Str. matches ("[ // D.] + ") {<br/> If (Str. substring (0, 1). Equals (" 0 ")&&! (Str. substring (1, 2 ). equals (". ") {<br/> return false; <br/>}else {<br/> return true; <br/>}< br/>}else {<br/> return false; <br/>}</P> <p> // converts lowercase letters to uppercase letters. <br/> Public String numtochi (string STR, int iflag) {<br/> string ireturn = strchi [integer. parseint (STR)] + strunits [iflag]; <br/> If (Str. equals ("0") & (iflag = 5) {return "Ten Thousand" ;}< br/> If (Str. equals ("0") & (iflag = 9) {return "" ;}< br/> If (Str. equals (" 0 ") & (iflag = 13) {return" MB ";}< br/> If (Str. Equals (" 0 ") & (iflag! = 5) | (Str. equals ("0") & (iflag = 9) | (Str. equals ("0") & (iflag = 13) {<br/> return "0"; <br/>} else {<br/> return ireturn; <br/>}</P> <p> // remove unnecessary zeros <br/> Public String delzero (string Str) {<br/> for (INT I = 0; I <Str. length ()-1; I ++) {<br/> If (Str. indexof ("zero")> 0) {STR = Str. replace ("zero", "zero") ;}< br/> If (Str. indexof ("0 thousand")> 0) {STR = Str. replace ("0 thousand", "") ;}< br/> If (Str. indexof ("0 billion")> 0) {STR = Str. replace ("0 billion", "") ;}< br/> If (Str. indexof ("0 MB")> 0) {STR = Str. replace ("0 MB", "MB") ;}< br/> If (Str. indexof ("")> 0) {STR = Str. replace ("circle", "circle") ;}< br/> If (Str. substring (0, 1 ). equals ("0") {STR = Str. replace (Str. substring (0, 1), ""); // remove the first zero <br/>}< br/> return STR; <br/>}</P> <p> Public static void main (string [] ARGs) {<br/> switchover = new switchover (); <br/> string inwrite = "0"; // read the input number <br /> Boolean flag = false; // do {} the flag used by while (FLAG) <br/> try {<br/> do {<br/> system. out. print ("enter a number ('/' to exit):"); <br/> do {<br/> bufferedreader BR = new bufferedreader (New inputstreamreader (system. in); <br/> inwrite = BR. readline (); <br/> // exit <br/> If (inwrite. equals ("/") {system. out. println ("exited! "); Return ;}< br/> // Digital Detection <br/> If (inwrite. indexof (". ")> 0) {If (inwrite. indexof (". ")> 16) {system. out. print ("the number of digits is too long. Enter again:"); flag = true;} else {flag = false;} else {If (inwrite. length ()> 16) {system. out. print ("the number of digits is too long. Enter again:"); flag = true;} else {flag = false ;}< br/> If (! Switchover. isnumeric (inwrite) {system. out. print ("incorrect input. Please enter again:"); flag = true;} else {flag = false ;}< br/>} while (FLAG ); </P> <p> string ivalue = ""; // record the final output result </P> <p> // if there is a decimal point, <br/> If (inwrite. indexof (". ")> 0) {<br/> for (INT I = 0; I <inwrite. indexof (". "); I ++) {<br/> ivalue + = switchover. numtochi (inwrite. substring (I, I + 1), inwrite. indexof (". ")-I) ;}// extract the number before the decimal point </P> <p> If (! Inwrite. substring (0, inwrite. indexof (". ")). equals ("0") {ivalue + = "circle";} // Add a circle with a decimal point <br/> int I = (inwrite. substring (inwrite. indexof (". "))). length (); // calculate the number of digits after the decimal point <br/> if (I> 3) {I = 3; // if the number after the decimal point is greater than two digits, only two valid decimal places are taken. <br/>} else {I = (inwrite. substring (inwrite. indexof (". "))). length () ;}< br/> int iflag = 16; // array subscript of the unit angle and Points <br/> for (int s = inwrite. indexof (". ") + 1; S <inwrite. indexof (". ") + I; s ++) {iflag ++; ivalue + = switchover. numtochi (inwrite. substring (S, S + 1), iflag );} </P> <p> // If the decimal point does not exist <br/>} else {<br/> for (INT I = 0; I <inwrite. length (); I ++) {ivalue + = switchover. numtochi (inwrite. substring (I, I + 1), inwrite. length ()-I) ;}< br/> ivalue = ivalue + "round" ;}< br/> system. out. println ("output result:" + switchover. delzero (ivalue); <br/>}while (true); <br/>}catch (ioexception e) {<br/> system. out. println (E ); <br/>}</P> <p> ------------------------------------------------------ <br/> enter a number ('/' to exit ): 0.1 <br/> output result: corner 1 <br/> enter a number ('/' exit): 1.1 <br/> output result: yiyuan yijiao <br/> enter a number ('/' exit): 10.1 <br/> output result: <br/> enter a number ('/' Exit): 10000.01 <br/> output result: 1010.01 <br/> enter a number ('/' to exit): <br/> output result: 1. 0. 0. 1. 0. <br/> enter a number ('/' to exit): 100001.11 <br/> output result: 10101010.10 yuan and 1 yuan <br/> enter a number ('/' exit): <br/> output result: 0 <br/> enter a number ('/' to exit): 9080070650400302.01 <br/> output result: please enter a number ('/' to exit): <br/> quit ----------------------------------------------------------