Mahasiswa.java

public class Mahasiswa {
    private String NIM;
    private String nama;
    private int umur;

    // setter
    public void setNIM(String x){
        this.NIM = x;
    }

    public void setNama(String nama){
        this.nama = nama;
    }

    public void setUmur(int umur){
        this.umur = umur;
    }

    // getter
    public String getNIM(){
        return this.NIM;
    }

    public String getNama(){
        return this.nama;
    }

    public int getUmur(){
        return this.umur;
    }
}