java - How to initialize string array

MainActivity.java 
 package com.cfsuman.me.javaexamples;  import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.TextView;   public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          // Get widget reference from XML layout         TextView tv = (TextView) findViewById(R.id.tv);          // Declare a new String array         String[] colors;          // Initialize the colors String array         // Also specify the initial length of colors array         // Allocate the memory storage for the array elements         colors = new String[3];          // Put values to colors String array         colors[0] ="Red";         colors[1] ="Green";         colors[2] ="Blue";          tv.setText("Colors : ");         // Loop through the colors String array         for(int i=0;i<colors.length;i++){             tv.setText(tv.getText() + colors[i] + ", ");         }          // Another way to initializing a new String array         // Also allocate the correct memory storage for the array elements         String[] redColors = new String[4];         redColors[0] = "Red";         redColors[1] = "Crimson";         redColors[2] = "IndianRed";         redColors[3] = "DarkRed";          tv.setText(tv.getText() + "\n\nRed colors : ");         // Loop through the red colors String array         for(int i=0;i<redColors.length;i++){             tv.setText(tv.getText() + redColors[i] + ", ");         }          // Another way to initialize a new String array         // This also add elements at the time of array initialization         String[] blueColors = new String[]{"Blue","AliceBlue","CornflowerBlue"};          tv.setText(tv.getText() + "\nBlue colors : ");         // Loop through the blue colors String array         for(int i=0;i<blueColors.length;i++){             tv.setText(tv.getText() + blueColors[i] + ", ");         }          // Initialize a new empty String array         String[] pinkColors = new String[]{};          tv.setText(tv.getText() + "\n\nPink colors : ");         // Loop through the pink colors String array         for(int i=0;i<pinkColors.length;i++){             tv.setText(tv.getText() + pinkColors[i] + ", ");         }          // Reinitialize the same String array with values         // It will overwrite the String array         pinkColors = new String[]{"Pink","HotPink","DeepPink","LightPink"};          tv.setText(tv.getText() + "\nPink colors : ");         // Loop through the pink colors String array         for(int i=0;i<pinkColors.length;i++){             tv.setText(tv.getText() + pinkColors[i] + ", ");         }     } }
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