Projects/Builder_Pattern at master · Gaurav1235/Projects · GitHub

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// Builder Pattern:

public class Bird {

	private int wt;
	private String name;
	private String type;

	public Bird(Builder obj) {
		this.wt=obj.getWt();
		this.name=obj.getName();
		this.type=obj.getType();
	}
	public int getWt() {
		return this.wt;
	}
	public String getName() {
		return this.name;
	}
	public String getType() {
		return this.type;
	}
	static class Builder {

		private int wt;
		private String name;
		private String type;

		public Builder(String name) {
			this.name=name;
		}
		public Builder setWt(int wt) {
			this.wt=wt;
			return this;
		}
		public Builder setName(String name) {
			this.name=name;
			return this;
		}
		public Builder setType(String type) {
			this.type=type;
			return this;
		}
		public int getWt() {
			return this.wt;
		}
		public String getName() {
			return this.name;
		}
		public String getType() {
			return this.type;
		}
		public Bird build() {
			Bird b=new Bird(this);
			return b;
		}

	}


}