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这是一个例子,说的是JAVA中数据数型的转换.供大家学习
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); } }