int a;
short b = 10, c =10;
a = 10 + b; //结果为20，10与 short类型运算，short会自动转换成int
a = b + c;    //结果为20，两个低精度运算，会自动转换成int

package day01;

/**
 * Test06
 * <h5>描述：</h5>
 */
public class Test06 {
    public static void main(String[] args) {
        int a = 10;
        double b = 10.0D;
        String str = "10";
        char d = ‘1‘;
        //String类型转整数
        System.out.println(10==Integer.parseInt(str));
        System.out.println(10==Integer.valueOf(str));
        //整数转String
        System.out.println(str.equals(String.valueOf(a)));
        //char转整数(先转成String,然后再转成int型)
        System.out.println(1==Integer.valueOf(String.valueOf(d)));

    }
}