標籤:用於處理項目中可能會出現的特有的問題,對這些問題進行自訂的異常封裝。 ExceptionTest.java public class ExceptionTest { public static void main(String[] args){ DivDemo dd = new DivDemo(); int resultD; try { resultD = dd.div(10, -1);
標籤:import java.math.BigDecimal;public class Test { public static void main(String[] args) { //控制隨機數量 int c = 100; Number[] array = new Number[c]; /*初始化*/ for(int i=0;i<array.length;i++){ Number
標籤:public class Search { public class BiTreeNode{ int m_nValue; BiTreeNode m_pLeft; BiTreeNode m_pRight; } //順序尋找,查到則返回該值下標,查不到返回-1. public int SequenceSearch(int[] a,int b){ if(a==null)
標籤:java實現鏈棧在前面有所介紹:http://www.cnblogs.com/lixiaolun/p/4644141.html 將前面java實現鏈棧的代碼稍作修改:package linkedstack;public class LinkStack {private Element base;private Element top;class Element{public Object data;public Element next;}/** * 初始化棧 *
標籤:Developing RESTful Web services that seamlessly support exposing your data in a variety of representation media types and abstract away the low-level details of the client-server communication is not an easy task without a good toolkit. In order
標籤:leetcode java permutations 題目:Given a collection of numbers, return all possible permutations.For example,[1,2,3] have the following permutations:[1,2,3], [1,3,2], [2,1,3], [2,
標籤:leetcode java permutations ii 題目:Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2] have the following unique
標籤:在方法參數前面加final關鍵字就是為了防止資料在方法體中被修改。 主要分兩種情況:第一,用final修飾基礎資料型別 (Elementary Data Type);第二,用final修飾參考型別。第一種情況,修飾基本類型(非參考型別)。這時參數的值在方法體內是不能被修改的,即不能被重新賦值。否則編譯就通不過。例如: