-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathProblem31.java
More file actions
74 lines (56 loc) · 1.52 KB
/
Problem31.java
File metadata and controls
74 lines (56 loc) · 1.52 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
package Problems;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
//sorted students by name, if names are equal sort with id
public class Problem31{
public static void main(String[] args) {
List<Student> students= Arrays.asList(
new Student(101,"Alice"),
new Student(103,"Bob"),
new Student(102,"Raju"),
new Student(104,"Alice")
);
List<Student> ans=students.stream()
.sorted((s1,s2)->{
if(s1.getName().equalsIgnoreCase(s2.getName())){
return Integer.compare(s1.getId(),s2.getId());
}
else{
return s1.getName().compareToIgnoreCase(s2.getName());
}
})
.collect(Collectors.toList());
for(Student student: ans){
System.out.println(student);
}
}
}
class Student {
int id;
String name;
public Student(){}
public Student(int id, String name) {
this.id = id;
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return "Student{" +
"id=" + id +
", name='" + name + '\'' +
'}';
}
}