标签:arrays lag 字符串 div boolean tostring 比较 color plain
1:split方法
public class SplitDemo1 { public static String[] name = new String[20]; public SplitDemo1() { String s = "The rain in Spain falls mainly in the plain."; // 在每个空格字符处进行分解。 name = s.split(""); } public static void main(String[] args) { SplitDemo1 demo = new SplitDemo1(); for (int i = 0; i < name.length; i++) System.out.println(name[i]); } }//输出结果为T,h,e r单个字符和空格
//如果将name = s.split("");此处的"" 变为" "之间加一个空格 输出结果将会是
The rain in Spain falls mainly in the plain将会按照空格为截取点
将截取的内容一次放入数组name[0][1][2]
2:charAt()
public void dome2(String a) { String[] split = a.split("//|"); for(int i =0;i<split.length;i++) { char s = split[i].charAt(0); System.out.println(s); }//String name = "asdf"; char s = name.charAt(0)表示返回 字符串name的第一个字符
3:Arrays.equals
public void show() { String name1[] = {"a","b","c","d"}; String name2[] = {"b","a","c","d"}; boolean flag = Arrays.equals(name1, name2); System.out.println(flag);//比较的是两个数组里面的内容是否一致,并且同一下标要对应 相同的值; System.out.println(Arrays.toString(name1)); }//将两个字符串进行比较,比较的是两个数组里面的内容是否一致,并且同一下标要对应 相同的值;
标签:arrays lag 字符串 div boolean tostring 比较 color plain
原文地址:https://www.cnblogs.com/wan19890618123/p/10737217.html