words.sort(String::compareToIgnoreCase); System.out.println(words); } We sort a list of words in-place in natural order and later regardless of case. $ java Main.java [Caesar, Earth, War, abbot, castle, den, falcon, forest, ocean, owl, rain, sky, ... [abbot, Caesar, castle, den...
1. 直接选择排序 importjava.lang.*;importjava.util.*;publicclassMain {publicstaticvoidmain(String args[]) {inta[] =newint[]{1, 4, 612, 333, -8, 2, -12, 4534, 0};for(inti = 0; i < a.length; i++) {//直接选择排序(两重for循环排序)for(intj = i + 1; j < a.length; j...
String[] strArray = new String[]{"hello","Hello", "Hello kity", "hello kity","D","w","A","z"}; Arrays.sort(strArray ,String.CASE_INSENSITIVE_ORDER); System.out.println(Arrays.toString(strArray)); 1. 2. 3. 运行结果如下: [A, D, hello, Hello, Hello kity, hello kity, w,...
定义一个Emp类: public classEmp{private intempno;privateString ename;public intgetEmpno() {returnempno; }public void setEmpno(intempno) {this.empno =empno; }publicString getEname() {returnename; }public voidsetEname(String ename) {this.ename =ename; }public Emp(intempno, String ename) {sup...
importjava.io.*;importjava.util.*;classstudent{intage; String name; student(inta, String b){this.age = a;this.name = b; } }publicclassMain{staticBufferedReaderin=newBufferedReader(newInputStreamReader(System.in));staticBufferedWriterout=newBufferedWriter(newOutputStreamWriter(System.out));public...
Insertion Sort Implementation In Java The following program shows the implementation of the Insertion sort in Java. Here, we have an array to be sorted using the Insertion sort. import java.util.*; public class Main { public static void main(String[] args) { ...
In Java 8 world, it's even simpler by using lambda expression and newdefault methodsadded onjava.util.Comparatorclass as shown below : Comparator<String>strlenComp = (a, b)->Integer.compare(a.length(), b.length()); Here areaandbare two String objects. ThisInteger.compare()is a new met...
What happened When reading the metadata field of mongo db, the following error occurred: 2023-05-08 17:09:02 java.lang.ClassCastException: java.lang.String cannot be cast to org.apache.flink.table.data.StringData at org.apache.flink.tabl...
To Sort in Descending Order: Java importjava.util.*; publicclassMain { publicstaticvoidmain(String[]args) { ArrayList<String>list =newArrayList<String>(); list.add("Apple"); list.add("Orange"); list.add("Cherry"); list.add("Apricot"); ...
// Activate sorting String sortKey = "cn"; ctx.setRequestControls(new Control[] { new SortControl(sortKey, Control.CRITICAL) }); // Perform a search NamingEnumeration results = ctx.search("", "(objectclass=*)", new SearchControls()); The server responds with entries that are sorted bas...