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Java Problem
- Thread starter sachii
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how about the other way?
habey itng help karata sanwedi ne godak pirimi gahunu tarama pirimin hith gal wage
Last edited:
අවංක සංවේදීකම සහ වලත්ත සංවේදීකම කියල දෙකක් තියනවා සේයා...how about the other way?
habey itng help karata sanwedi ne godak pirimi gahunu tarama pirimin hith gal wage
i did sjcp.. but still i cant do this
haffoooooi.
scjp karalath oka barida?????? man nam dan OCJP karanawa. bt oyage oya prashne nam mata therenneth na.
Macha... check this out. Im still in first year at UoM. Didnt have time to double check for other base values. I hope this is correct. Anyways check several times.
/**
*
* @param base the base digit e.g., 2
* @param value the value of @base e.g., 10111
* @return the decimal value e.g. 23 (16+0+4+2+1)
*/
public static int toDecimal(int base, int value){
int deci =0 ;
char[] valueArr= (""+value).toCharArray();
for(int i=0; i<valueArr.length; i++){
int digit = Integer.valueOf(""+ valueArr[valueArr.length-i-1]).intValue();
deci+= (digit * Math.pow(base, i));
}
return deci;
}
/**
*
* @param base the base digit e.g., 2
* @param value the value of @base e.g., 10111
* @return the decimal value e.g. 23 (16+0+4+2+1)
*/
public static int toDecimal(int base, int value){
int deci =0 ;
char[] valueArr= (""+value).toCharArray();
for(int i=0; i<valueArr.length; i++){
int digit = Integer.valueOf(""+ valueArr[valueArr.length-i-1]).intValue();
deci+= (digit * Math.pow(base, i));
}
return deci;
}
මේක කෝමද කියලා බලන්න... තේරුන විදිහට කරලා බැලුවා තාම Java වලට අලුත්...
තාම Java වලට අලුත්...
Code:
import java.io.*;
public class NewClass {
public static Console c=System.console();
public static void main(String[] args) {
try{ System.out.println("Enter base \nKey- 2,8,10,16");
String base1 = c.readLine("Enter Base: ");
int base2= Integer.parseInt(base1);
switch (base2) {
case 2: System.out.println("you select base 2");
base2();break;
case 8: System.out.println("you select base 8");
base8();break;
case 10: System.out.println("you select base 10");
base10();break;
case 16: System.out.println("you select base 16");
base16();break;
default: System.out.println("Error");
}}
catch(Exception a) {
System.out.println("you did a wrong thing");}
}
public static void base2(){
String num1 = c.readLine("Enter Num: ");
int n1= Integer.parseInt(num1,2);
System.out.println(n1);
}
public static void base8(){
String num1 = c.readLine("Enter Num: ");
int n1= Integer.parseInt(num1,8);
System.out.println(n1);
}
public static void base10(){
String num1 = c.readLine("Enter Num: ");
int n1= Integer.parseInt(num1,10);
System.out.println(n1);
}
public static void base16(){
String num1 = c.readLine("Enter Num: ",16);
int n1= Integer.parseInt(num1,16);
System.out.println(n1);
}
}
^^ wow does it really work?
who knew Integer wrapper has an inbuilt base converter
great work!
Meka hari machan but isn't working for every base value right? E.g : base 5???
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