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1ÈçºÎ½«×Ö´® String ת»»³ÉÕûÊý int?
A. ÓÐÁ½¸ö·½·¨:
1). int i = Integer.parseInt([String]); »ò
i = Integer.parseInt([String],[int radix]);
2). int i = Integer.valueOf(my_str).intValue();
×¢: ×Ö´®×ª³É Double, Float, Long µÄ·½·¨´óͬСÒì.
2 ÈçºÎ½«ÕûÊý int ת»»³É×Ö´® String ?
A. ÓÐÈþÖÖ·½·¨:
1.) String s = String.valueOf(i);
2.) String s = Integer.toString(i);
3.) String s = "" + i;
×¢: Double, Float, Long ת³É×Ö´®µÄ·½·¨´óͬСÒì.
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package cn.com.lwkj.erts.register;
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.sq
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public class Test
{
public static void main(String[] args)
{
int a = 5;
System.out.println("ddsadasa" + (a > 5 ? 9.0 : 9));
}
}
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