摘要:
Class1.cs using System; class Class1{ public static String method1() { return "I am Static method (method1) in class1"; } public String method2() { return "I am a Instance Method (method2) in Class1";... 阅读全文
摘要:
数学函数 1.绝对值 S:select abs(-1) value O:select abs(-1) value from dual 2.取整(大) S:select ceiling(-1.001) value O:select ceil(-1.001) value from dual 3.取整(小) S:select floor(-1.001) value O:sel... 阅读全文