Open Excel File Through java

Desktop.getDesktop().open(new File("h://Member.xls"));

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Simple Sign up design. Android.

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<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout 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"     app:layout_behavior="@string/appbar_scrolling_view_behavior"     tools:context=".Signup"     tools:showIn="@layout/activity_signup">     <ScrollView         android:layout_width="fill_parent"         android:layout_height="fill_parent"         android:fillViewport="true"         tools:ignore="MissingConstraints">     <LinearLayout         android:layout_width="fill_parent"         android:layout_height="fill_parent"         android:orientation="vertic
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<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout 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"     app:layout_behavior="@string/appbar_scrolling_view_behavior"     tools:context=".Cart"     tools:showIn="@layout/activity_cart">     <LinearLayout         android:id="@+id/activity_cart_list"         xmlns:android="http://schemas.android.com/apk/res/android"         xmlns:tools="http://schemas.android.com/tools"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:orientation="vertical"         android:weightSu
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Set Date on jDateChooser and retrieve record from database.

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