strclass.java

网上书店网站源代码

package bookshop.bean;
import java.util.*;
public class StrClass{
	private String str;
	public StrClass(){
		str="";
	}
	public StrClass(String str){
		this.str=str;
	}
	public String getStr(){
		return this.str;
	}
	public void setStr(String str){
		this.str=str;
	}
	public boolean isNum(){
		boolean bool=true;
		for(int i=0;i<str.length();i++){
			char ch=str.charAt(i);
			if(!Character.isDigit(ch)){
				bool=false;
				break;
			}
		}
		return bool;
	}
	public int toInt(){
		return Integer.parseInt(str);
	}
	public float toFloat(){
		return Float.parseFloat(str);
	}
}