char转换成string java_int类型转换成char类型

package com.onlydemo.javalang;
/** * 类型转换: char转int * * 1.char-'0' 将char转int * 2.Character.getNumericValue(char ch) 将char转int * * @author www.only-demo.com * */
class CharToIntDemo { 

public static void main(String args[]) { 

char c = '3';
//1.char - '0'
int i = c - '0';
System.out.println("c = " + c);
System.out.println("i = " + i);
//2.Character.getNumericValue(char ch) 将char转int
int i2 = Character.getNumericValue(c);
System.out.println("i2 = " + i2);
}
}

c = 3
i = 3
i2 = 3