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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Problem3_1 {
  9.  
  10. 	// complete this class, called Problem3_1, with the following items:
  11.  
  12. 	// 1. Declare four attributes, name, age, height, and weight of types String
  13. 	// and int-s.
  14. 	// Write a constructor for this class that initializes ONLY the name, age,
  15. 	// and height to three incoming arguments,
  16. 	// and sets the weight to always be -1 (the latter is not an incoming
  17. 	// argument).
  18. 	String name;
  19. 	int age;
  20. 	@Override
  21. 	public String toString() {
  22. 		return "Problem3_1 [name=" + name + ", age=" + age + ", height=" + height + ", weight=" + weight + ", address="
  23. 				+ address + "]";
  24. 	}
  25.  
  26. 	int height;
  27. 	int weight;
  28.  
  29. 	Address address;
  30.  
  31. 	public Problem3_1(String name1, int age1, int height1) {
  32. 	  name = name1;
  33. 	  age = age1;
  34. 	  height = height1;
  35. 	  weight = -1;
  36. 	}
  37.  
  38. 	void setAddress(Address s) {
  39. 		//address = s;
  40.  
  41. 		this.address = s;
  42. 	}
  43.  
  44. 	// 2. Imagine there is a class called Address that you have access to (it's
  45. 	// below).
  46. 	// Its constructor takes an integer street number and a String street. Add
  47. 	// an attribute called address to
  48. 	// the Problem3_1 class, and create a **method called setAddress that sets
  49. 	// the attribute to the incoming argument.**
  50.  
  51. 	public static class Address {
  52.  
  53. 		int number;
  54. 		String street;
  55.  
  56. 		public Address(int n, String s) {
  57. 			number = n;
  58. 			street = s;
  59. 		}
  60.  
  61. 		@Override
  62. 		public String toString() {
  63. 			return "Address [number=" + number + ", street=" + street + "]";
  64. 		}
  65.  
  66. 	}
  67.  
  68. 	public static void main(String[] args) {
  69. 		// TODO Auto-generated method stub
  70.  
  71. 		/*Problem3_1 ppp = new Problem3_1("name1",20,5);
  72. 		Problem3_1.Address a_address= new Problem3_1.Address(20,"1st street");
  73. 		a.setAddress(a_address);
  74.  
  75. 		System.out.println(a.address);*/
  76.  
  77. 		int failed = 0; 
  78.  
  79. 	    Problem3_1 p = new Problem3_1("Jane", 22, 65); 
  80.  
  81. 	    if (p.name.compareTo("Jane") == 0 && p.age == 22 && p.height == 65 && p.weight == -1) 
  82. 	        System.out.println("Test 1 passed!"); 
  83. 	    else{ 
  84. 	        failed ++; 
  85. 	        System.out.println("Please check your code for question 1! "); 
  86. 	    } 
  87.  
  88. 	    Address a = new Address(12, "Fairfax Dr"); 
  89. 	    p.setAddress(a); 
  90.  
  91. 	    if (p.address == a) 
  92. 	        System.out.println("Test 2 passed!"); 
  93. 	    else{ 
  94. 	        failed ++; 
  95. 	        System.out.println("Please check your code for question 2! "); 
  96. 	    }         
  97.  
  98.  
  99. 	    if (failed > 0) 
  100. 	        System.out.println("Failed"); 
  101. 	    else{ 
  102. 	        System.out.println("GREAT WORK! EVERYTHING PASSED!"); 
  103. 	        System.out.println("Nice"); 
  104. 	    } 
  105. 	}
  106.  
  107. }
Success #stdin #stdout 0.04s 711168KB
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stdin
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Standard input is empty
stdout
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Test 1 passed!
Test 2 passed!
GREAT WORK! EVERYTHING PASSED!
Nice
https://ideone.com/rS20uZ
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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