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Scala TreeSet equals() method with example
• Last Updated : 02 Nov, 2019

In Scala `TreeSet class`, the equals() method is utilized to check if two TreeSets consists of the exactly same elements or not.

Method Definition: def equals(o: Any): Boolean

Return Type: It returns true if both the TreeSets are equal or else returns false.

Example #1:

 `// Scala program of equals()  ` `// method  ` ` `  `// Import TreeSet ` `import` `scala.collection.mutable.``_` ` `  `// Creating object  ` `object` `GfG  ` `{  ` ` `  `    ``// Main method  ` `    ``def` `main(args``:``Array[String])  ` `    ``{  ` `     `  `        ``// Creating TreeSets ` `        ``val` `t``1` `=` `TreeSet(``1``, ``3``, ``2``, ``7``, ``6``, ``5``)  ` `         `  `        ``val` `t``2` `=` `TreeSet(``1``, ``3``, ``2``, ``7``, ``6``, ``5``)  ` `         `  `        ``// Print the TreeSets ` `        ``println(``"t1: "` `+ t``1``) ` `         `  `        ``println(``"t2: "` `+ t``2``) ` `         `  `        ``// Applying equals() method   ` `        ``val` `result ``=` `t``1``.equals(t``2``) ` `         `  `        ``// Displays output  ` `        ``println(``"Both the TreeSets are equal: "` `+ result) ` `         `  `    ``}  ` `}  `

Output:

```t1: TreeSet(1, 2, 3, 5, 6, 7)
t2: TreeSet(1, 2, 3, 5, 6, 7)
Both the TreeSets are equal: true
```

Example #2:

 `// Scala program of equals()  ` `// method  ` ` `  `// Import TreeSet ` `import` `scala.collection.mutable.``_` ` `  `// Creating object  ` `object` `GfG  ` `{  ` ` `  `    ``// Main method  ` `    ``def` `main(args``:``Array[String])  ` `    ``{  ` `     `  `        ``// Creating TreeSets ` `        ``val` `t``1` `=` `TreeSet(``1``, ``3``, ``2``, ``7``, ``6``, ``5``)  ` `         `  `        ``val` `t``2` `=` `TreeSet(``3``, ``2``, ``7``, ``6``, ``5``)  ` `         `  `        ``// Print the TreeSets ` `        ``println(``"t1: "` `+ t``1``) ` `         `  `        ``println(``"t2: "` `+ t``2``) ` `         `  `        ``// Applying equals() method   ` `        ``val` `result ``=` `t``1``.equals(t``2``) ` `         `  `        ``// Displays output  ` `        ``println(``"Both the TreeSets are equal: "` `+ result) ` `         `  `    ``}  ` `}  `

Output:

```t1: TreeSet(1, 2, 3, 5, 6, 7)
t2: TreeSet(2, 3, 5, 6, 7)
Both the TreeSets are equal: false
```

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