Using JavaFX only but SceneBuilder can be used as well:

*33.9 (Chat) Write a program that enables two users to chat. Implement one user as the server (see Figure 33.21a) and the other as the client (see Figure 33.21b). The server has two text areas: one for entering text, and the other (noneditable) for displaying text received from the client. When the user presses the Enter key, the current line is sent to the client. The client has two text areas: one (noneditable) for displaying text from the server and the other for entering text. When the user presses the Enter the server Exercise33_09Server. UExercise33,09Client- UExercise33,09Server - Server are you di Susan, How are you Client Hi Susan, How are you? Hi Frank, How are you? FIGURE 33.21 The server and client send text to and receive text from each other *33.9 (Chat) Write a program that enables two users to chat. Implement one user as the server (see Figure 33.21a) and the other as the client (see Figure 33.21b). The server has two text areas: one for entering text, and the other (noneditable) for displaying text received from the client. When the user presses the Enter key, the current line is sent to the client. The client has two text areas: one (noneditable) for displaying text from the server and the other for entering text. When the user presses the Enter the server Exercise33_09Server. UExercise33,09Client- UExercise33,09Server - Server are you di Susan, How are you Client Hi Susan, How are you? Hi Frank, How are you? FIGURE 33.21 The server and client send text to and receive text from each other