stringtonumberdemo.java

来自「Eclipse程序设计经典教程+源代码 学习java的朋友可以看看」· Java 代码 · 共 26 行

package conversion;

public class StringToNumberDemo {

  public static void main(String[] args) {
    String string1 = "55";
    byte byte1 = Byte.parseByte(string1);
    string1 = "223";
    short short1 = Short.parseShort(string1);
    string1 = "2007";
    int int1 = Integer.parseInt(string1);
    string1 = "200701";
    long long1 = Long.parseLong(string1);
    string1 = "200701.09";
    float float1 = Float.parseFloat(string1);
    string1 = "12345.2345";
    double double1 = Double.parseDouble(string1);
    System.out.println("byte1 = " + byte1);
    System.out.println("short1 = " + short1);
    System.out.println("int1 = " + int1);
    System.out.println("long1 = " + long1);
    System.out.println("float1 = " + float1);
    System.out.println("double1 = " + double1);
  }
}