这里分类和汇总了欣宸的全部原创(含配套源码):https://github.com/zq2599/blog_demos
public class NutritionFacts {
private final int servingSize; // (mL) required
private final int servings; // (per container) required
private final int calories; // optional
private final int fat; // (g) optional
private final int sodium; // (mg) optional
private final int carbohydrate; // (g) optional
public NutritionFacts(int servingSize, int servings) {
this(servingSize, servings, 0);
}
public NutritionFacts(int servingSize, int servings,
int calories) {
this(servingSize, servings, calories, 0);
}
public NutritionFacts(int servingSize, int servings,
int calories, int fat) {
this(servingSize, servings, calories, fat, 0);
}
public NutritionFacts(int servingSize, int servings,
int calories, int fat, int sodium) {
this(servingSize, servings, calories, fat, sodium, 0);
}
public NutritionFacts(int servingSize, int servings,
int calories, int fat, int sodium, int carbohydrate) {
this.servingSize = servingSize;
this.servings = servings;
this.calories = calories;
this.fat = fat;
this.sodium = sodium;
this.carbohydrate = carbohydrate;
}
}
NutritionFacts cocaCola = new NutritionFacts(240, 8, 100, 0, 35, 27);
NutritionFacts cocaCola = new NutritionFacts();
cocaCola.setServingSize(240);
cocaCola.setServings(8);
cocaCola.setCalories(100);
cocaCola.setSodium(35);
cocaCola.setCarbohydrate(27);
public Student(String name) {
this.name = name;
}
public Student(int age) {
this.age = age;
}
public static Boolean valueOf(String s) {
return parseBoolean(s) ? TRUE : FALSE;
}
public static <E extends Enum<E>> EnumSet<E> noneOf(Class<E> elementType) {
Enum<?>[] universe = getUniverse(elementType);
if (universe == null)
throw new ClassCastException(elementType + " not an enum");
if (universe.length <= 64)
return new RegularEnumSet<>(elementType, universe);
else
return new JumboEnumSet<>(elementType, universe);
}
public class Student {
private String name;
private int age;
public void setName(String name) {
this.name = name;
}
private Student() {
}
public static Student newInstance(String name) {
Student student = new Student();
student.setName(name);
return student;
}
}
public class NutritionFacts {
private final int servingSize;
private final int servings;
private final int calories;
private final int fat;
private final int sodium;
private final int carbohydrate;
public static class Builder {
// Required parameters
private final int servingSize;
private final int servings;
// Optional parameters - initialized to default values
private int calories = 0;
private int fat = 0;
private int carbohydrate = 0;
private int sodium = 0;
public Builder(int servingSize, int servings) {
this.servingSize = servingSize;
this.servings = servings;
}
public Builder calories(int val)
{ calories = val; return this; }
public Builder fat(int val)
{ fat = val; return this; }
public Builder carbohydrate(int val)
{ carbohydrate = val; return this; }
public Builder sodium(int val)
{ sodium = val; return this; }
public NutritionFacts build() {
return new NutritionFacts(this);
}
}
private NutritionFacts(Builder builder) {
servingSize = builder.servingSize;
servings = builder.servings;
calories = builder.calories;
fat = builder.fat;
sodium = builder.sodium;
carbohydrate = builder.carbohydrate;
}
}
NutritionFacts cocaCola = new NutritionFacts.Builder(240, 8)
.calories(100)
.sodium(35)
.carbohydrate(27)
.build();
public final CreateIndexResponse create(Function<CreateIndexRequest.Builder, ObjectBuilder<CreateIndexRequest>> fn)
throws IOException, ElasticsearchException {
return create(fn.apply(new CreateIndexRequest.Builder()).build());
}
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原文链接 : https://xinchen.blog.csdn.net/article/details/125324863
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