package com.graduation.project.dataCollector.test.stream;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

public class studentStream {
    private List<Student> students;
    static{
        // 初始化
        List<Student> students = new ArrayList<Student>() {
            {
                add(new Student(20160001, "孔明", 20, 1, "土木工程", "武漢大學(xué)"));
                add(new Student(20160002, "伯約", 21, 2, "信息安全", "武漢大學(xué)"));
                add(new Student(20160003, "玄德", 22, 3, "經(jīng)濟(jì)管理", "武漢大學(xué)"));
                add(new Student(20160004, "云長(zhǎng)", 21, 2, "信息安全", "武漢大學(xué)"));
                add(new Student(20161001, "翼德", 21, 2, "機(jī)械與自動(dòng)化", "華中科技大學(xué)"));
                add(new Student(20161002, "元直", 23, 4, "土木工程", "華中科技大學(xué)"));
                add(new Student(20161003, "奉孝", 23, 4, "計(jì)算機(jī)科學(xué)", "華中科技大學(xué)"));
                add(new Student(20162001, "仲謀", 22, 3, "土木工程", "浙江大學(xué)"));
                add(new Student(20162002, "魯肅", 23, 4, "計(jì)算機(jī)科學(xué)", "浙江大學(xué)"));
                add(new Student(20163001, "丁奉", 24, 5, "土木工程", "南京大學(xué)"));
            }
        };
    }

    public static void main(String[] args) {
        List<Student> civilStudents = students.stream()
                .filter(student -> "土木工程".equals(student.getMajor())).limit(2)
                .collect(Collectors.toList());
    }
}

package com.graduation.project.dataCollector.test.stream;

import lombok.NoArgsConstructor;
import lombok.AllArgsConstructor;
import lombok.Data;

@NoArgsConstructor
@AllArgsConstructor
@Data
public class Student {

    /** 學(xué)號(hào) */
    private long id;

    private String name;

    private int age;

    /** 年級(jí) */
    private int grade;

    /** 專業(yè) */
    private String major;

    /** 學(xué)校 */
    private String school;

}

根據(jù)樓下的回答，修改完

package com.graduation.project.dataCollector.test.stream;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

public class StudentStream {
    private static List<Student> students;
    static{
        // 初始化
        students = new ArrayList<Student>() {
            {
                add(new Student(20160001, "孔明", 20, 1, "土木工程", "武漢大學(xué)"));
                add(new Student(20160002, "伯約", 21, 2, "信息安全", "武漢大學(xué)"));
                add(new Student(20160003, "玄德", 22, 3, "經(jīng)濟(jì)管理", "武漢大學(xué)"));
                add(new Student(20160004, "云長(zhǎng)", 21, 2, "信息安全", "武漢大學(xué)"));
                add(new Student(20161001, "翼德", 21, 2, "機(jī)械與自動(dòng)化", "華中科技大學(xué)"));
                add(new Student(20161002, "元直", 23, 4, "土木工程", "華中科技大學(xué)"));
                add(new Student(20161003, "奉孝", 23, 4, "計(jì)算機(jī)科學(xué)", "華中科技大學(xué)"));
                add(new Student(20162001, "仲謀", 22, 3, "土木工程", "浙江大學(xué)"));
                add(new Student(20162002, "魯肅", 23, 4, "計(jì)算機(jī)科學(xué)", "浙江大學(xué)"));
                add(new Student(20163001, "丁奉", 24, 5, "土木工程", "南京大學(xué)"));
            }
        };
    }

    public static void main(String[] args) {
//        List<Student> civilStudents = students.stream()
//                .filter(student -> "土木工程".equals(student.getMajor())).limit(2)
//                .collect(Collectors.toList());
        students.stream()
                .filter(student -> "土木工程".equals(student.getMajor()))
                .limit(2)
                .forEach(System.out::println);
    }
}