Data Type & Variables (Part 2)

 Data Type & Variables (Part 2)

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:orientation="vertical">

  <TextView
      android:id="@+id/textd"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text=""
      android:textSize="20sp"
      android:gravity="center"/>

  <TextView
      android:id="@+id/textdis"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text=""
      android:textSize="20sp"
      android:gravity="center"/>


</LinearLayout>

JAVA

package com.abirsoft.sectontow;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    String my_string;
    String mystring1 = "hello world";
    int count = 10;
    int count3;
     int a1,a2,a3,a4;

    int mycount = 0;

    String s1 = "hello";
    String s2 = "world";

    int count1 = 10;
    int count2 = 20;

    int sum;
    String mystring;

    int a, b, c;
    int sum1,mul;

    TextView textd , textdis;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textd = findViewById(R.id.textd);

        textdis = findViewById(R.id.textdis);

        a=10;
        b=20;
        c=30;

        sum1 = a+b+c;
        mul = a*b*c;


        textdis.setText("sum=" +sum1+    "\n multi=  " +mul);

        textd.setText(s1+s2);

        my_string = "hello" +"world";

        String mystring= s1+s2;
        int sum = count1+count2;

        sum = count1 +count2;
        mystring = s1=s2;

        String mystrinh3 =  sum+my_string;


    }
}