objetc2string_1.java

本书属于《开发专家之 Sun ONE》系列丛书

public class objetc2String_1
{
  public static void main(String args[])
  {
	int nInt = 10;
	float fFloat = 3.14f;
	double dDouble = 3.1415926;
	
	    //转换为整型
	Integer obj1 = new Integer(nInt);
	//转换为浮点数类型
	Float obj2= new Float(fFloat); 
	//转换为双精度类型
	Double obj3 = new Double(dDouble);
	
	    //分别调用toString方法转换为字符串
	String strString1 = obj1.toString();
	System.out.println(strString1);
	String strString2 = obj2.toString();
	System.out.println(strString1);
	String strString3 = obj3.toString();
	System.out.println(strString1);
  }
}