如何将数组实例变量设置为特定的数据集?

public class Sentencegenerator {
private String[] subjects;
private String[] verbs; 
private String[] directObjects;

public Sentencegenerator(){
    subjects = {"Cat", "Dog", "Joe", "Teacher", "Policeman", "Doctor", "Dick"};
    verbs = {"eats", "reads", "cums", "farts", "poops", "stabs", "cries"};
    directObjects = {"book", "sticker", "fish", "man", "chiwawa", "marker", "cheese"};
}

public Sentencegenerator(String[] mySubjects, String[] myVerbs, String[]    myDirectObjects){
    subjects = mySubjects;
    verbs = myVerbs;
    directObjects = myDirectObjects;
}
public class Sentencegenerator {
private String