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How can I convert a Char type to a Integer type?

    来源: 互联网  发布时间:2015-05-09

    本文导语:  I want this function:   receive a char: '3' by System.in.read();   and convert it to integer 3;   but I always get 51 now.   I know 51 is the ASCII for 3;   How can I convert char '3' to integer 3? waiting online... | ...

I want this function:
  receive a char: '3' by System.in.read();
  and convert it to integer 3;
  but I always get 51 now.
  I know 51 is the ASCII for 3;
  How can I convert char '3' to integer 3?

waiting online...

|
import java.util.*;
import java.io.*;

public class Test5{
  public static void main(String[] args){
    int i = 0;
    char c;
    int ii=0;
    try{
      i = System.in.read();
      c=(char) i;
      ii = Character.getNumericValue(c); 
      //ii =Integer.parseInt(String.valueOf(c)); 
 
      System.out.println("Your input is:"+c+" ascii is "+i);
    }
    catch(IOException e){}

    System.out.println("Length will be:"+ii);
  }

 
 

 

    
 
 
 
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