java int怎么转换为string

1.) String s = String.valueOf(i);

2.) String s = Integer.toString(i);

3.) String s = "" + i;

注: Double, Float, Long 转成字串的方法大同小异.

JAVA数据类型转换 

这是一个例子,说的是JAVA中数据数型的转换.供大家学习

package shenmixiaozhu;import java.sql.Date;public class TypeChange {   public TypeChange() {   }   //change the string type to the int type   public static   int stringToInt(String intstr)   {     Integer integer;     integer = Integer.valueOf(intstr);     return integer.intValue();   }   //change int type to the string type   public static String intToString(int value)   {     Integer integer = new Integer(value);     return integer.toString();   }   //change the string type to the float type   public static   float stringToFloat(String floatstr)   {     Float floatee;     floatee = Float.valueOf(floatstr);     return floatee.floatValue();   }   //change the float type to the string type   public static String floatToString(float value)   {     Float floatee = new Float(value);     return floatee.toString();   }   //change the string type to the sqlDate type   public static java.sql.Date stringToDate(String dateStr)   {     return   java.sql.Date.valueOf(dateStr);   }   //change the sqlDate type to the string type   public static String dateToString(java.sql.Date datee)   {     return datee.toString();   }

   public static void main(String[] args)   {     java.sql.Date day ;     day = TypeChange.stringToDate("2003-11-3");     String strday = TypeChange.dateToString(day);     System.out.println(strday);   }